Keep in mind that most skip tracing companies get contact info for about 70%-80% of the leads you send them.

We have many investors' success stories to show for it, including more 5 star reviews (250) on BP than any other company that is on this website (https://www.biggerpockets.com/co/RentToRetirement).  

So, when you say they not do report on your personal credit report I guess you are talking about non-recourse loans? 

Also,  you will save a lot of money on discounts on rehab materials, vendors, contractors, title company numbers, etc. from their "mastery member" discounts . 

I actually work for a mortgage company and am a loan officer myself but as I just started i'm trying to wrap my head around all the programs and markets.My broker doesn't focus on investors so it might be wise to find someone who does and learn from them. 

They apparently have strict rules about what the owner company can be involved with. 

I tell them where/how they can pay rent and report maintenance.

The large upscale apartment buildings in my town offer 1 month of free rent to anyone from my company that signs a 1 year lease.   

Unlike the traditional 30-45 days that it takes to qualify and close a home through a bank, closing Sub 2 does not involve any banks or title companies.

Others build their own using Boostly or another similar company due to the same concerns you mentioned.