Boat EconomicsAccess and Availability
Does a Boat Partnership's Cost Saving Survive the Calendar?
A partnership's cost saving is only real if the days it buys you are the days you actually want. See allocated cost, accessible days after peak conflict, and cost per accessible day.
A share percentage alone hides the real trade-off
Splitting cost by ownership share is straightforward arithmetic. What it misses is whether your desired days actually survive scheduling with other partners, since a cheaper share that's mostly blocked on peak weekends isn't the bargain the raw cost split suggests.
How this is calculated
Accessible days are your desired days minus any that conflict with peak or blackout scheduling. Your allocated annual cost is the boat's total fixed and variable cost times your ownership share. Individual savings compares that allocated cost against what solo ownership of the same boat would cost.
Worked example
A $10,000 annual cost split 50/50 with no peak conflict allocates $5,000 to you, a $5,000 saving against solo ownership, across all 30 of your desired days. If 10 of those days turn out to be peak-conflict days, your real accessible days drop to 20 even though the cost allocation doesn't change.
Common mistakes
Evaluating a partnership purely on the cost split and skipping the calendar check is the single most common mistake; a low share price does not compensate for access you can't actually use. The other mistake is assuming shares that don't sum to 100% will sort themselves out later.
Frequently asked questions
How is this different from a basic sole ownership vs partnership comparison?
That comparison shows the cost saving from splitting fixed cost. This one goes further and checks it against an actual use calendar, so a cheap share that's blocked on the days you actually want the boat shows up as a real constraint, not just a number.
What counts as a "peak conflict day"?
Any day from your desired use days that's blacked out or contested under the partnership's scheduling rules, holiday weekends being the most common example. Enter your honest estimate of how many of your desired days actually fall into that category.
Does this draft a partnership agreement?
No. It only models the calendar and cost numbers you enter. Governance, buyout terms, and how partners actually behave over time are outside what a calculator can predict.