Furnished Finder can be great, but the cost to fully furnish can be pretty steep.

How old is your roof?  

., plumbing, electrical, roofing) and try and estimate the costs for each. 

Some things to consider are the age and condition of major systems like the roof, HVAC, and plumbing.

Pick your dilemma - tenant quits paying rent and squats in the house for 2 months while you spend $1,000 to evict them, the AC goes out and it's $5,000 to repair, you need a new water heater, or roof, etc.  

The roof needs to last at least 3 years and it more than likely needs to be replaced and I need to update the panel box from fuses to circuit breaker.

I'd have to widen my ground level porch and extend the roof accordingly.

Nobody will really take care of your asset like you do in the end, AS LONG as  you don't try to become an HVAC and roofing expert in Texas during 99 degrees summer. 

(roof, well, tree roots raising the A/C unit at a 20 degree angle, soft, uneven  floors under carpet, etc.)  

If you hired a roofer to put on a roof and 6 months later the gutters leak do you blame the roofer?!?