We also have an accountant that we work with frequently and have formed a few good connections with investors and some local banks.

Ask investors near you as I'm sure they will have someone they use frequently. 

Be sure to check with your state's evictions law as they have changed frequently over the past several months. 

The previous landlord's garbage system was the following:Each tenant is responsible for taking their garbage/recycling to the outside bins and then they were paying one of the tenants a nominal amount to take everything to the curb at the appropriate time.This system seems to put all the responsibility on the tenant being paid to keep it all neat and tidy but since the other tenants don't care the garbage is frequently a mess and everybody is complaining despite the fact that its everyone's fault.

This will eliminate the possibility that he brings her in under the radar (do drive-bys frequently IMO).Probably best to just walk away and find a reason to deny, but I can't say that's the best thing to do necessarily.

It doesn't matter how frequently you pay yourself a salary, just that the year-end total is "reasonable".Reasonable does not mean arbitrary.

My advice is trust but verify both, they passed your screening so you are probably stuck with them unless they break the lease but this is one I would probably do more frequent air filter changes on.  

I am no attorney and in no position to provide advice however I can touch on some advantages to the solo 401k as I work with them quite frequently.

I'd look at a couple of places...Gainesville due to proximity to the casinos where there is very little housing...and maybe Commerce where there is growing university.   

I frequent Sheridan quite often, as like too many people have found out, Wyoming is actually a pretty stinkin' great place to live and have started moving here.