Your best bet is a construction loan from a bank that you can turn into a traditional mortgage after its built.

If you think you’ll need to invest additional capital in them in the near future then you should make sure you know exactly where that money is coming from before you buy the property since your future employment is in question.The bank will look at your current financial situation, but they don’t typically inquire about your future state.  

I currently have 25k in the bank and I’m looking to purchase another property up to 150.

By asking for owner financing, you aren't really providing a high level of credibility to the buyer if someone else comes along and shows them a bank statement with half-an-M in the account.

The banks have done this for me just for the asking and didn't charge anything.

Set up a separate bank account to hold their security deposits and rent5.

Bank is less willing to finance this as well.Any one has any tips doing the ones mentioned above around the area?

Lets say I can work out a deal with him and he can maintain his current bank mortgage,  What legal papers between me and him would let me be able to deduct the mortgage interest and taxes, when those mortgage docs would still go to my buddy with his name on em?

save up for the downpayment, meet, learn from and court lenders, analyze the continual stream of properties coming on and off the market, start building your support network which you'll rely on when hosting, and you'll know when the time is right.

No, we wanted to be sure the bank will work with us on the loan first (less than $100,000).