I've thought of inquiring with online lenders such as SoFi, Lending Home, etc.

I work Bankruptcy operations at a major financial institution.

I have now sent two carefully and succinctly worded emails reminding them that, as stated in the lease, we will mow the lawn but any other maintenance or improvements are up to them if they want them done, and we request that they consult us for any major changes (like if they want to take out a tree). 

This is my first major remodel project with a GC, so I don't know what is standard.

Airbnb has responded to my request that they cannot intervene as this is an "offline arrangement" and they are an online company.

The aggregate UPB calculation does not include the mortgages and HELOCs that are on the subject property,the borrower’s principal residence,properties that are sold or pending sale, andaccounts that will be paid by closing (or omitted in DU on the online loan application).

There's a great article on Zillow showing the returns for most major markets here --> https://www.zillow.com/research/where-rent-covers-mortgage-15624/.

The only major difference is one is brick and the other is wood.

Nothing major for electrical though, the panel is upgraded and nothing major is being moved.

everywhere I look online it says 20% down for investment homes but we are being told by all lenders it's 25%.It's a duplex in Washington state.