In my case, there are major issues like roof replacement, siding, mold remediation, etc. and the house is vacant and in very poor shape, so there is no way any of these violations will be taken care by the seller.

There are free services out there that will take care of all of your marketing for you, for free.

The title company would not have taken care of this. 

They dont even think that you are unbankable, they dont really care.

If it were me I would take off the trim, (carefully as I could) take down the tiles and see what I have.

My question is, if she doesn't agree to take care of the balances in full, should i start the eviction process? 

It's faster and cheaper to get them to admit they abandoned the stuff and don't care.

While you can hire 3rd parties to take care of everything, you still need to manage them and note Investing is anything but passive.

Turns out one was a computer gambling business and the other was an e-cig business.I don't care why the applicant doesn't want to tell you, but if I don't know the business, I don't consider the application. 

your day job also puts you in a good position to deal with tenants whom over the years I feel its like family counseling nad or child day care..