I don't see any major pros, major con is going to be the traffic impact from the Amazon site.

This includes collecting rent, handling maintenance requests, and addressing any issues that arise.Financial Benefits: Renting out the basement can help offset your mortgage payments and other expenses associated with homeownership.

@Joseph McElmeelHey JosephThe fha has a lending requirement for fourplexes that could cause you issues and that is the self sufficiency test.

Like being a participant at a major event where important people in that kind of field would be at?

It is not illegal to cash a check issued to your name, in the case of the accounting firm.

Location is no longer an issue, you may contact them directly. 

For example, a quiet neighborhood that used to be a busy factory area might have hidden issues, like pollution.

@Jen BreyslerThis post answers your question if you scroll down through comments to my reply:https://www.biggerpockets.com/forums/51-tax-legal-issues-con...

The ac install is a one time issue but the lawnmower is long term.  

Taking out a loan for EMD would make it way, way too tempting to look past issues in DD and close no matter what.I'd also be concerned about the ability to close in general if cash is too tight to fund even the EMD.