To vet guests, you can use a pre-booking form, ask about their plans, and require an ID and signed agreement.

It all depends on what your requirement for cash flow is.

.- You should have required the tenant to sign a Hold Harmless Agreement, indemnifying you against any of their claims.

Credit is a factor as bad credit may limit options, or may have the lender require you to put 10 or 20 years of taxes and insurance into escrow. 

Most commercial lenders do not require any seasoning for that entity which means that you can create an LLC and use that entity to purchase the property immediately as long as you have the proper documents.

For example: the multifamily sponsors will usually pay the considerable extra cost required to do a cost segregation analysis and this will increase the investor depreciation in the early years (versus an individual, direct investor who often will skip doing this because of the cost).The advantage of the passive investment is that you don't do any work.

Does a DSCR loan require 20-25% down payment?

Our company requires first/last name and a mailing address for the owner.

As I mentioned every person and their criteria is going to require a different loan program and each loan gets risk graded based on several factors.

It's easy to obtain, costs very little, and doesn't require extra, on-going effort to maintain.