Use cash out refi loans to pay rehab cost?

[Richard Lee]

Hi Friends in Biggerpockets,

I am trying to get cash out loan (30 year fixed) from my primary house as and use it to do real estate investment.

My plan is to use the refi-ed cash to do both purchase and rehab (then rented it out) and I wanted to deduct the loan interest.

I know from purchase side, the amount of mortgage interest can be deducted as expense for as long as the loan exists and I hold the rental property.

For rehab, the situation is more complicated. Given the rehab cost itself can be deducted must faster than the 27.5 years convention, if I pay the rehab cost through the loan, how long can I deduct loan interest? Anyway I can deduct the loan interest as expense for many years?

Thanks!