They do not have to pay a fee?  

If trained properly they will free up a lot of time for you, which allows you to do the highest paying activities.3.

Given the block this was on which was primarily mix of decent homes and obvious rentals, and this home needed a few thousand in repairs prior to rent, I did not want to pay more than my max 76k offer.

Make sure they are paying fair compensation to other realtors who will bring you great tenants.   

If I place a super-complainer, or someone that frequently pays late, that cuts into my very thin margins and is my problem...and I don't want folks like that.

Got $100k business line of credit with 710 credit score to buy some more properties.Do you think it is better idea to buy a rental house (worth $70k) with the credit card paying all?

You will have made over $50K after expenses and if you rent it long term, you will be paying capital gains on any profit once you sell. 

Kind of out in the middle of nowhere, but my son just started college at Tarelton and we live in CA, so its on my radar now...university has plans for big growth in the next 5-10 years. 

Tenants pay for gas and electric, owner pays for water.

That way there is No prepayment penalty and you can pay it off when you refinance the new home or other property.