DIY vs Hire Fence Staining: Save Money or Hire a Pro?

What does a $120.00 DIY win mean?

On the defaults — $140 of stain, $60 of supplies, 8 hours at $35 an hour and a $600 pro quote — the DIY cost is $480.00 and the pro quote is $600.00, so DIY wins by $120.00. The DIY cost is the stain plus the supplies plus the hours times the hourly value: $140 + $60 + 8 × $35 = $480.00. The win is the pro cost minus the DIY cost: $600.00 − $480.00 = $120.00. A positive win means DIY is cheaper by that much — the $120.00 stays in your pocket if you stain the fence yourself, and the pro’s $600.00 buys the staining, the prep and the risk.

Three things about the model are worth stating plainly.

First, the arithmetic is $140 + $60 + 8 × $35 = $480.00, and the win is $600.00 − $480.00 = $120.00 — the DIY cost and the win are two outputs, never the same number. Second, the meaning is $120.00 saved by doing it yourself — the money that stays in your pocket, not the value of the fence, and the pro quote is the whole job. And third, the win flips when the DIY cost passes the pro cost: at $50 an hour the DIY cost is $600.00 — a dead heat, a tie — and at $51 it is $608.00, so hiring wins by $8.00 — all listed in Accuracy & limitations.

The worked example, line by line

Setup: stain $140, supplies $60, hours 8, hourly value $35, pro quote $600.

Line 1 — the hours cost. 8 × $35 = $280.00.

Line 2 — the DIY cost. $140 + $60 + $280.00 = $480.00.

Line 3 — the win. $600.00 − $480.00 = $120.00 — DIY wins.

Line 4 — the check. At $51 an hour the DIY cost is $608.00 and hiring wins by $8.00; and at $50 it is $600.00 — a dead heat.

Every branch, checked

Hours 6: DIY $410.00; pro $600.00 — DIY wins by $190.00 — Fewer hours of your own time, so a cheaper DIY cost.

Hours 10: DIY $550.00; pro $600.00 — DIY wins by $50.00 — More hours of your own time, so a smaller DIY win.

Hours 12: DIY $620.00; pro $600.00 — Hiring wins by $20.00 — More hours of your own time, so the DIY cost passes the pro quote.

Stain $200: DIY $540.00; pro $600.00 — DIY wins by $60.00 — Pricier stain, so a smaller DIY win.

Stain $300: DIY $640.00; pro $600.00 — Hiring wins by $40.00 — Pricier stain, so the DIY cost passes the pro quote.

Supplies $100: DIY $520.00; pro $600.00 — DIY wins by $80.00 — More brushes and drop cloths, so a smaller DIY win.

Supplies $200: DIY $620.00; pro $600.00 — Hiring wins by $20.00 — More brushes and drop cloths, so the DIY cost passes the pro quote.

Hourly $45: DIY $560.00; pro $600.00 — DIY wins by $40.00 — Your time is worth more, so DIY costs more.

Hourly $25: DIY $400.00; pro $600.00 — DIY wins by $200.00 — Your time is worth less, so DIY costs less.

Pro $700: DIY $480.00; pro $700.00 — DIY wins by $220.00 — A higher pro quote widens the DIY win.

Pro $400: DIY $480.00; pro $400.00 — Hiring wins by $80.00 — A lower pro quote flips it to hiring.

The reverses, worked backwards

Smallest hourly value where hiring WINS: At the displayed $51 the figures are DIY $608.00; pro $600.00 — Hiring wins by $8.00. At the lower neighbor the figures are DIY $600.00; pro $600.00 — exact tie — a dead heat, a TIE — so $51 is the smallest hourly value where hiring WINS.

Largest hourly value where DIY still wins by at least $50.00: At the displayed $43 the figures are DIY $544.00; pro $600.00 — DIY wins by $56.00. At the upper neighbor the figures are DIY $552.00; pro $600.00 — DIY wins by $48.00 — no tie — so $43 is the largest hourly value where DIY still wins by at least $50.00.

Smallest stain price where hiring WINS: At the displayed $261 the figures are DIY $601.00; pro $600.00 — Hiring wins by $1.00. At the lower neighbor the figures are DIY $600.00; pro $600.00 — exact tie — a dead heat, a TIE — so $261 is the smallest stain price where hiring WINS.

Smallest hours where hiring WINS: At the displayed 12 hours the figures are DIY $620.00; pro $600.00 — Hiring wins by $20.00. At the lower neighbor the figures are DIY $585.00; pro $600.00 — DIY wins by $15.00 — no tie — so 12 hours is the smallest hours where hiring WINS.

Smallest supplies where hiring WINS: At the displayed $181 the figures are DIY $601.00; pro $600.00 — Hiring wins by $1.00. At the lower neighbor the figures are DIY $600.00; pro $600.00 — exact tie — a dead heat, a TIE — so $181 is the smallest supplies where hiring WINS.

Smallest pro price where DIY WINS at all: At the displayed $481 the figures are DIY $480.00; pro $481.00 — DIY wins by $1.00. At the lower neighbor the figures are DIY $480.00; pro $480.00 — exact tie — a dead heat, a TIE — so $481 is the smallest pro price where DIY WINS at all.

A warning about the ties: at $50 an hour the DIY cost is $600.00 — a dead heat, a TIE, not a hiring win — and at $51 the DIY cost is $608.00 and hiring wins by $8.00. At $260 of stain the DIY cost is $600.00 — a dead heat, a TIE — and at $261 the DIY cost is $601.00 and hiring wins by $1.00. At $180 of supplies the DIY cost is $600.00 — a dead heat, a TIE — and at $181 the DIY cost is $601.00 and hiring wins by $1.00. At $480 of pro price the pro cost is $480.00 — a dead heat, a TIE — and at $481 the pro cost is $481.00 and DIY wins by $1.00. The $43-an-hour reverse has NO tie: at $43 DIY wins by $56.00 and at $44 DIY wins by $48.00. The 12-hour reverse has NO tie: at 11 hours DIY wins by $15.00 and at 12 hours hiring wins by $20.00.

What the defaults assume

The defaults are $140 of stain, $60 of supplies, 8 hours at $35 an hour and a $600 pro quote — DIY $480.00; pro $600.00 — DIY wins by $120.00. With Hours 6, DIY $410.00; pro $600.00 — DIY wins by $190.00. With Hours 10, DIY $550.00; pro $600.00 — DIY wins by $50.00. With Hours 12, DIY $620.00; pro $600.00 — Hiring wins by $20.00. With Stain $200, DIY $540.00; pro $600.00 — DIY wins by $60.00. With Stain $300, DIY $640.00; pro $600.00 — Hiring wins by $40.00. With Supplies $100, DIY $520.00; pro $600.00 — DIY wins by $80.00. With Supplies $200, DIY $620.00; pro $600.00 — Hiring wins by $20.00. With Hourly $45, DIY $560.00; pro $600.00 — DIY wins by $40.00. With Hourly $25, DIY $400.00; pro $600.00 — DIY wins by $200.00. With Pro $700, DIY $480.00; pro $700.00 — DIY wins by $220.00. With Pro $400, DIY $480.00; pro $400.00 — Hiring wins by $80.00. With All zero, DIY $0.00; pro $0.00 — exact tie — a dead heat, with nothing to buy and nothing to pay. With Stain $90, supplies $30, 4 hours, $30 an hour, pro $300, DIY $240.00; pro $300.00 — DIY wins by $60.00 — a short fence, a quick job, a cheap pro quote. With Stain $59.95, supplies $19.40, 2.25 hours, $37.75 an hour, pro $199.60 (DIY unrounded 164.2875), DIY $164.29 (unrounded 164.2875); pro $199.60 — DIY wins by $35.31 (unrounded 35.3125) — the unrounded DIY cost rounds to the displayed figure. With Stain $400, supplies $150, 16 hours, $45 an hour, pro $1,500, DIY $1,270.00; pro $1,500.00 — DIY wins by $230.00 — the same shape at a much bigger size. With Pro $480, DIY $480.00; pro $480.00 — exact tie — a dead heat, a TIE. With Stain $0, supplies $40, 5 hours, $35 an hour, pro $300, DIY $215.00; pro $300.00 — DIY wins by $85.00 — stain on hand, so the DIY cost is just the supplies and the hours.

A note on the rounding: the DIY cost and the win are displayed to two decimals, half-up. With the fractional inputs the unrounded DIY cost is 164.2875 — it displays as $164.29 — and the unrounded win is 35.3125 — it displays as $35.31. The page prints the unrounded values so the rounding does not mislead you.

Output · formula · meaning

Who uses this

• The homeowner staining the back fence: they learn $140 of stain, $60 of supplies and 8 hours at $35 an hour costs $480.00 DIY against a $600.00 pro quote — and they check the $51 reverse to see the hourly value at which hiring wins.
• The landlord staining fences on every rental: they learn the DIY win is $120.00 on one fence — and they check the $261 reverse to see the stain price at which hiring wins.
• The renter touching up a shared fence: they learn the pro quote is the whole job — and they check the $481 reverse to see the pro price at which DIY wins at all.
• The student learning to price their own time: they learn the DIY cost is the stain plus the supplies plus the hours times the hourly value — and they check the $43 reverse to see the hourly value that still leaves a $50.00 DIY win.

Accuracy & limitations

The math is first-principles: the DIY cost is the stain price plus the supplies plus the hours times the hourly value, and the win is the pro cost minus the DIY cost — all in dollars and hours, the DIY cost and the win displayed to two decimals half-up. There is NO division in this calculator — nothing can be undefined — but there ARE ties: at $50 an hour the DIY cost is $600.00, exactly the pro quote — a dead heat, a TIE, not a hiring win — and at $51 the DIY cost is $608.00 and hiring wins by $8.00. At $260 of stain the DIY cost is $600.00 — a dead heat, a TIE — and at $261 the DIY cost is $601.00 and hiring wins by $1.00. At $180 of supplies the DIY cost is $600.00 — a dead heat, a TIE — and at $181 the DIY cost is $601.00 and hiring wins by $1.00. At $480 of pro price the pro cost is $480.00 — a dead heat, a TIE — and at $481 the pro cost is $481.00 and DIY wins by $1.00. The $43-an-hour reverse has NO tie: at $43 DIY wins by $56.00 and at $44 DIY wins by $48.00. The 12-hour reverse has NO tie: at 11 hours DIY wins by $15.00 and at 12 hours hiring wins by $20.00. With the fractional inputs the unrounded DIY cost is 164.2875 — it displays as $164.29 — and the unrounded win is 35.3125 — it displays as $35.31. What the model cannot do is say whether the $120.00 saving is worth your weekend: it says nothing about the prep — whether the fence needs power-washing or sanding first — and it says nothing about the weather — whether the stain will dry before the rain. Use it to see the money — then check the fence installation, deck staining and shelf installation comparisons before you decide whether to hire.

Frequently asked questions