Not dealing with bad tenants (letting them pay late, do damage, etc.)Understand that vacancy is better than having a bad tenant.

Paying rent will force you to maintain a personal budget, it will ensure your property produces the income necessary to operate the property, it creates a savings for you as a landlord so you can prepare for the next investment, and it shows how the property performs as an investment in case you have to sell.You need two accounts: checking and savings.

Normally builder will pay cash for the lot like i do that their skin in the game..

If one house is your only income, you may not even have much to pay taxes on if you have a mortgage.

This has to be enough to pay off the old loan and your HELOC. 

Sellers still owe 71k  which I have the funds to pay off but the catch is, they obtained the property with seller's financing.

People that use a manager would have no reason to come here and discuss how to do things because they're paying someone else to do them.

Im new so I am asking out of curiosity  They don't, they/we pay less, that's the remove and install price :) .

I will continue to use my agent as a buyers agent regardless of if I have to pay additionally.

I was talking with them and they pay fair market rent plus a significant premium $ on top of the monthly rent.