Previously, a homeowner was able to deduct mortgage interest paid on the first $ 1 million of acquisition debt, plus interest on up to $ 100,000 of home equity debt. (cpapracticeadvisor.com)
As long as the boat or RV is security for the loan used to buy it, you can deduct mortgage interest paid on that loan. (turbotax.intuit.com)
It also can boost the amount of mortgage interest you pay over the life of a home loan. (shoprate.com)