What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

Lenders will likely require documentation such as bank statements, tax returns, and proof of income.Consider Cross-Border Financing Options: Explore cross-border financing options that allow you to leverage your Canadian assets to secure financing for US properties.

Would AirBNB still recognize me as the property owner and the one collecting the payments once they generate tax documents? 

Lots of lenders in the STR space will disguise themselves as a low doc or DSCR loan when it really is more of a pseudo-conventional loan or a DSCR/Conventional hybrid, and as a result they will ask you for the necessary documents from a DSCR/low doc loan plus documents that would be necessary for a conventional loan (personal income, mortgage payment history from all owned RE, etc.)

Had a person refer me over to Daytonloan Acquisition || Your trusted lending partnerSomething seems off but the head guy has sent me references that I am going to follow up with and business documentation. 

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

My buyers will still need some documentation though.

They would go in line A8 on the form the underwriter will use: https://content.enactmi.com/documents/calculators/Form1038.C...

$50k is not enough to make alternative financing work because even at an embarrassing interest rate the investor will only make a few thousand - not enough to justify the time, document prep, risk assessment etc.I'd suggest that you get a realtor to put up the money, take a mortgage plus a few points of the selling price.

Then call animal control, regardless of your conversation, and document your concerns about the dog.