The Realtors behavior isn't acceptable by any means and isn't an indicator of how most professionals behave just like you have to dig a little to find a good deal, it sometimes takes a bit of digging to find a good Realtor.

Should both PM and tenant feel that this is acceptable behavior?

The threat of them pulling a voucher is sometimes a good check on bad behavior.

And I believe based on her behavior that she will be a problem tenant until May 2023.

I can't stress this enough.Where your understanding is a little bit thin is that over time--about two years--good credit behavior can supplant derogatory credit behavior where one's FICO score is concerned.

Many investors start off "too hot" by either overdeveloping their first property or spending their money too fast - either of these behaviors will sink your ship quick and disable you from even achieving your short-term goals.

Once the First Look™ countdown clock no longer displays on Day 16, the broker should notify the buyer's agent to resubmit if the property is still available.Resolution Fannie Mae does not tolerate brokers or their agents participating in any sort of fraudulent behavior.

Tenants are screened like any other; any past eviction is a deal breaker as is any criminal behavior. 

[Rule 535.16(b)]Since your intent is to transfer it at a higher price than you're paying the seller, pretty sure you hide that price and don't tell the seller what FMV is.Then again, wholesalers use all sorts of justifications for their behaviors. 

Give you the wherewithal to pursue and achieve your long-term goalsMany investors start off "too hot", and they either overdevelop their first property or they spend their money too fast - either of these behaviors will stop you dead in your tracks, and you probably won't even be able to achieve your short-term goals - and you certainly won't have the resources to pursue your long-term goals.