My guess is if you could document that the history was affecting the price then I would say you could make a case for deducting it. 

There are several AI companies that can handle your guest messaging for you, and of course, you have to fine-tune them, but they are great at going back into your history log and listening and answering questions quickly and correctly.

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

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

Unfortunately, they usually don't.You will want to document everything.

@Mary WittPersonally, I like to see 6-12 months of employment history at their current job.

Check his legal history.

Social Security Number, international credit agencies or credit reporting services can provide information on an applicant's credit history abroad.

Always better to rely on what you can document and defend. 

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