Your depreciation doesn’t reset until you die or pay 25% depreciation recapture tax. 

the dti will include all of your monthly debt obligations on your credit report as well as the mortgage payment you're taking on along with property taxes and insurance 

I won’t be looking to re fi those anytime soon because my interest rates are so low with them but when I do my current lender has said they will be limiting how much they will lend based on the properties tax returns. 

I know about 1031 exchanges to avoid taxes but not getting a loan against the house to prevent profits.... 

Other than taxes and insurance, I'll assume the best case in that there are no other expenses.

you'll need to check the tax records to see how many legal units are in the property.

Frankly it takes years to get this stuff down and no one knows it all not even lawyers :). 

Look at every method you can for reducing taxes, income and property taxes.

Do i have to actively manage a property to use a bonus depreciation tax write off? 

In this partnership, my partner put in 90% of the cash as well as a bit of time and expertise in around items like taxes, bank finance, etc.