Yes, you are 100% allowed to sell a non performing tenant occupied property. 

I'm not sure I want to work with a flipper in the future since the quality of work was so poor and they only performed the minimum work.

I use Mac with Gmail & Google Drive mostly.Background on my specific task -- need to organize email content from various Google or Yahoo investor groups (Yahoo forwards to Gmail).

I would like to know how you guys deal with non performing GC’s?

Most people who teach school have families, just like any other job, so it's hardly an unsurmountable task.

A property manager will do that.That being said, there are some folks that find that property management software saves them enough time on other tasks (like collecting rent or signing leases) that they don't mind spending time doing those physical, in person activities it cannot handle, but ultimately it's up to you.

I recently became the director of sales at my company and have been tasked with finding investors to help raise capital for my company to scale at a much faster rate.

An important part of your task will be to try to figure out which bank department and individual you need to talk to.If the owner has vacated the property, I think your chances of finding him and convincing him to cooperate will be slim. 

They just care that their asset is performing - as long as it is, they won't throw away money by calling it due. 

Also, when you are new, figuring out the paperwork is no easy task as you really don't know squat at that point.