Boat EconomicsKeep, Repair, Upgrade, Resale, and Review
Does One More Season Actually Cost You, or Save You?
Compare selling now with keeping the boat for one more planned season: season cost, expected depreciation, and the alternative access cost you'd avoid by keeping it.
The real question isn't "is it worth what I paid," it's "what does the next season actually cost"
Owners weighing whether to sell often anchor on what they originally paid, a number that no longer matters for a forward decision. This engine ignores the purchase price entirely and asks a narrower, more useful question: from today, does keeping the boat through one more season cost more or less than selling now and finding another way to get on the water?
How this is calculated
One season's cost adds fixed cost, variable cost, and any known repair needed to keep using the boat. The sale-date cash delta compares net proceeds if you sell at season end against selling now, capturing expected depreciation (or appreciation). Avoided alternative access multiplies your stated per-day alternative cost by expected use days, since keeping the boat means you don't pay that. Net cost of one more season is the season's cost, minus the sale-date delta, minus the avoided alternative access.
Worked example
A boat worth $20,000 today, expected to be worth $18,500 at season end, with $1,500 in season costs and 15 planned use days against a $50/day alternative access cost: the season costs $1,500, depreciation costs another $1,500, but avoided alternative access saves $750, for a net cost of $2,250 to keep the boat one more season, or $150 per planned use day.
Common mistakes
Comparing only the season's direct costs against nothing, ignoring both depreciation and the alternative access cost avoided, gives an incomplete and usually too-pessimistic picture. The other mistake is treating a hoped-for future sale price as a forecast rather than the scenario it actually is.
Frequently asked questions
Does this account for what I originally paid for the boat?
No, deliberately. What you paid is a sunk cost, it does not change what one more season actually costs from today forward. This engine only looks at forward cash: this season's cost, expected depreciation, and what selling now would leave on the table.
Can this predict what my boat will actually sell for later?
No. It cannot time the market or forecast sale demand. The future sale value is your own scenario, informed by comparable listings or your own judgment, not a market prediction this tool makes for you.
Why does "alternative access cost" matter here?
If you sold now, you'd presumably still want some way to get on the water, rental, a club, or borrowing. Keeping the boat avoids that cost, so it belongs on the "keep" side of the ledger, not just the season's direct costs.
How is this different from Repair vs Replace Boat?
That engine compares repairing your current boat against buying a specific replacement. This one is a narrower, more immediate question: given the season ahead, is selling now or keeping the boat through it the better forward cash move, with no replacement boat required in the comparison.