The amount of equity you have doesn't indicate the amount of gain at all.Gain is determined by the difference between your adjusted cost basis and the net sales price. 

REI is like anything else in life IMO there are no magic pills & no shortcuts there is success to be had and wealth to be built but it typically doesn't happen overnight and isn't sold at a conference or on an infomercial for $99.95.

Do you have enough cash reserves if your REI doesn't work out? 

If you are at or under market, paying on time and taking care of the house doesn't warrant a below market rent; that's part of the basic bargain of renting the house.3.

I've been using Rentometer, but it doesn't do a very good job at differentiating between property classes, amenities, etc. 

Seller doesn’t want to finance any of it.

Keep making payments under an account holder who is deceased, doesn't seem to be a proper legal recourse?

New to real estate am trying to get my feet wet, not sure if the agent I am talking to now is going to be very reliable as he doesn’t always communicate or takes to long.

45 days doesn't sound like that long to me.

Doesn’t sound very promising and the numbers are nothing to get excited about