An extreme, but no unusual, is for them to ask for part of their rent back.7 - Always have an agreement on hand, but only one. 

Unusual Circumstances Discuss unusual circumstances of occupancy with the appropriate VA officeor submit a description of the circumstances to the VA office for prior approval.

@Simon Huber:Of course there is a risk with any loan you take out, especially on a rental property where you are relying primarily on the tenant to perform.It is not unusual for most investors to service the loan on the rental property from collected rent.

You'll see new (to me) acronyms like LUQs (Large Unusual Questionable Items) and, in the text, exactly what the IRS "flags" as issues that warrant examination, like large cash charitable contributions, companies that only have expenses (no income), at-risk loss rules for large pass-through entity losses, stringent requirements for the rehabilitation credit, SFR with no income and $137,111 loss, etc.

Quote from @Robin Evans:  It's not unusual for sinks to clog over time, so I would not automatically hold the 10 responsible for it.

If the income was unusually high or low for the property type this would impact the cap rate as well.

In CA that contingency and process isn't unusual.

It's not unusual that not everyone thinks like 'we' do, but that's why we'll have success down the road and they'll still be sitting on the couch.  

That will help keep relationships professional and amicable. when you invest it is not unusual to work with several agents.

Investor B could put a 2nd lien on the property to secure his interest.This type of contract is not that unusual.