I think it is great to network and gauge interest for when a deal comes but bring them something before you take money because if you take the money first it is idle and they are getting no returns while it is sitting there unless you can pay some return out of pocket which I am sure you aren't doing because you are using OPM. 

Ultimately, it's about ensuring the property remains attractive to tenants and maintains its market value without pouring money into upgrades that won't pay off.

Maybe because I've kind of run into this issue with paying people in the past.  

when your dealing with a borrower with experience...its not wise to control the Construction, Its not smart to smudge HUD's (i took myself, title and attorney days to figure out my closing cost went from 25k to 40k)...later to find out most of it was in fees and paying 12 months in advance of mortgage payments.

You are paying an intermediary for marketing and deal flow. 

I see a lot of newer investors pay coaches tens of thousands of dollars, using debt, that stops them from actually investing!

If I went to a GC and said "Hey, take a look at this job and I will pay you" and they took the money, that is the red flag.

If a seller is offering $10k in assistance but the PP is only $189k on conventional a loan with only 3% contribution allowed, what are all the options for the for any of the left over contributions after. paying closings costs ?

I have heard that paying off your rental is not necessarily the best choice because of the deductions it allows for, but given the type of loan this house is mortgaged with, is it even possible to buy another home together and start renting this one out when I have a FHA loan on this one?

No fool pays $70/month for wifi.