My partner called the owner who had give the original estimate, said no way are we paying until the job is done. 

Don't solely rely on third-party management companies; instead, focus on building a solid asset management plan and, if needed, bring in experts or partners who excel in this field.

My JV partner, Jason Bridges (https://www.biggerpockets.com/users/michealb14) and I, rehab, flip, wholesale and wholetail in and around Belleville.So far as meetups and networking, Rich Groves (post above) is the man! 

Currently I and my business partner own 2 town houses, one is a 4 bed 2 bath.

Highlighting the strong profit potential and taking measures to address any concerns about costs, scope, or holding risks will make this an even stronger pitch.

I made the mistake of consolidating nearly all of my due diligence specifically to RTR, and was less diligent when it came to evaluating their partners. 

His dream partner program charges you as well.

I have a strong feeling your just venting hyperbolically. 

Freddie has similar intricacies, but also does not require a two year history of receipt; https://guide.freddiemac.com/app/guide/section/5306.4If you can use the rental income to drive the DTI down so that you can reduce the down payment similar to that of the FHA product, the benefits of the conventional option will outweigh the FHA option, as I'm assuming you have a strong FICO based on rate quoted with no points.  

You could also bring on a business partner that specializes in sales/marketing to lead that side of the business