Go to your local REIA and see if there are any subject matter experts in your area that teach classes or give presentations.Even when the statewide statutes are the same, they often get implemented in different ways locally, so the national courses tend to be just junk.If you are determined to spend money on a course see if you can buy off ebay or alibris or FB marketplace.Lots of misinformation on tax lien/deed investing.

Narrow it down to one niche and become subject matter expert in that field.

But, they are income producing personal property because of the real estate and the rights that the real estate owner has.So, as Roger said, you may be able to find relatively similar comparables (recent similar sales) to the Subject (sfr) and get an idea of that value.

Yes - generally prepayment penalties are common on DSCR Loans, but can vary and some DSCR Lenders will have DSCR options with no prepayment penalties (there are also a few states that preclude any prepayment penalties at all, even on investment properties - this includes Alaska, New Mexico, Kansas and some others).There are two parts to a prepayment penalty - 1) How Long and 2) How Much1) Generally it will be no more than 5 years for the length (i.e. if you prepay in the first five years of a thirty-year loan you are subject to a fee), but 4 or 3 or 2 or 1 year options are somewhat common. 

I need to deduct the total depreciation from my Cost basis for the property being sold to figure out how much is subject to capital gains and how much is subject to 25% depreciation recapture.

I am a Subto student, so if anyone would like to learn about Subject-to or Seller Financing, I will make time for you.

If he sells he wouldnt be subject to capital gains?

@Alex Zokan asked a similar question to mine so I'm tagging him here as well.At what point will the rent from the subject property be included in DTI calculations? 

Hey Dave,It was great to meet you this weekend in Panama, one thing to consider is you would not be subject the UBIT (Unrelated business income tax) using your IRA money to buy parcels with no debt on them.

Accepts a "above market" offer for Subject-To financing.