I don't think anyone has ever said anything about sheets, towels, Keurigs, wifi speed, tv stations, pack-n-plays, the games in the game room, the upgraded appliances, etc.

I don't try to evict based on neighbor complaints as those aren't super reliable and the people likely won't show up to court. 

Then I spoke to a company that does business lines of credit, based on personal FICO scores.

Maybe they've been burned by landlords in the past and are being very careful.You can legally reject them based on personality, facial tattoos, body odor, or other factors, but you better make sure you can prove that it wasn't based on any protected class like race, religion, familial status, etc.

However, I don’t have a US-based W2 (but work full time for an American tech company in their London office). 

I graduate in may and I am projected to play professional baseball after the MLB draft in July.

I’m based out of Lehi, Utah, and have always been fascinated by the potential of real estate to create opportunities and build wealth.After spending time learning about the industry and what it takes to succeed, I’m ready to dive in and start making deals happen!

The posters opinion is based on their experience, my opinion is based on mine.  

It varies a lot and depends on the vintage of the property and your tenant base. 

As it is when money is at play.