If that's not the case here, can you terminate the agreement without penalty at this stage?

I see Xplorie is popular but they require a minimum of 10 properties for a partnership.

Minimum 1.25x DSCR.

We signed P&S agreements on 6 different properties totaling 20 units approximately 8 months ago and received a call today that the price we thought we were buying at has to-be increased on average 13% due to the increased cost of construction.

(Due to some financial issues with him in the past, I'm not willing to cosign for him)  Would a rental agreement with the roommates suffice? 

Thank you, Roger and Jones, for your feedback.I was tempted to invest but their minimum investment is 100K. 

@Michael Darten  Most property management agreements have the monthly PM fees based upon a percentage of rents collected.  

Quote from @Basit Siddiqi: I personally would not buy real estate with a retirement account.There are just too many headaches that are not worth the potential increased return.Some headaches when it comes to investing in real estate with a retirement account1) LTV values are less and harder to find lenders.2) Potential to sell or partially distibute the property if you have to do a RMD(Required Minimum Distribution)3) If you run out of cash and have to make a major repair, you may be out of luck and have to sell.4) Having to potentially worry about UBTI(Unrelated Business Taxable Income)I would personally invest in stocks/bonds/notes with a retirement account.I buy deals with cash and use a ROTH SDIRA so there are no RMD's.I buy at huge discounts to retail.

In my area Albany NY/Saratoga County NY, it seems as though even private sale $10k is the absolute minimum!

From Atty Tristan Pettit about the Koble case: "if a landlord has a void rental agreement (i.e., the rental agreement contains one of the “10 Deadly Sins” as set forth in Wis.