Bank and credit union loans are generally defined as “portfolio lenders,” or lenders that hold the loans on their balance sheets.

If an association becomes largely rented out with few owner occupants banks will not lend on properties that are for sale in that association.

Some examples are;-County website for actual prop tax bills-Tenant estoppels-Actual utility bills-Bank statements and tax records-Verify insurance premiums with your carrierSome say "Trust, but verify," I say "Trust that someone selling you something will only show you what you want to see.......So verify."

Doctors and dentists have cash earning 4% in the bank.

Obviously people can get deals done with little or no money down but as a new investor I think your time is better spent getting your financial house in order so that when you go to a bank with a deal you are coming from a position of strength.I kind of chuckle when I see folks who have poor credit scores, no money saved and are looking for advice on markets to invest in. 

Several different municipalities/jurisdictions in WA have various rental rules on top of the state RLTA.  

I would start at your bank or a local small bank and see if they will loan against it.

There are also additional costs of operating and maintaining an LLC, like separate bank accounts, annual report filings, tax filings, etc.2.

She claims she is unable to get a bank account due to "legal reasons" and needs to use her friend's bank account and said her friend doesn't even have a phone number. 

Kinda nice because now you get to be the bank and collect payment on your terms, instead of the OTAs using the guest's for their own liquidity need until they pay you out.