Also, if you borrow to buy the boat and you use it as your primary residence, the interest payments are tax-deductible. (That means if you have a decent intere

Also, if you borrow to buy the boat and you use it as your primary residence, the interest payments are tax-deductible. (That means if you have a decent interest rate and reasonable risk tolerance, you can invest the cash elsewhere and make more money than you would save by buying the boat outright.)