Thanks for your help, happy to answer any additional questions.

Or can additional names be included on the deed (joint tenancy) without negatively affecting the banks loan decision?

All additions are still in "roughed in" state, i.e studs, electrical runs, and plumbing runs, but no outlets or valves.  

He got the idea after receiving a yellow letter in the mail from a wholesaler.

I noticed several additional people beside herself, 2 kids, mother and sister have moved in.

How would I receive the money and then be able to use it for the property. 

I realize the extra cashflow, and I can always make additional principal payments.  

Depending on which one you utilize they will not look at your "DTI" but they will look at your global cash flow in addition to the income and expense of the property.  

Should I just handwrite this into the "Additional Terms" section at the end of the agreement? 

., former employer 401k) to a solo 401k are not reported on Form 5498, but rather on Form 5500-EZ, but only if the air market value of the solo 401k exceeds $250K as of the end of the plan year (generally 12/31);When funds are rolled over or transferred from an IRA or 401k to a self-directed IRA, the amount deposited into the self-directed IRA is reported on Form 5498 by the receiving self-directed IRA custodian by May of the year following the rollover/transfer.Rollovers (provided the 60 day rollover window is satisfied) from an IRA to a Solo 401k or self-directed IRA are reported on lines 15a and 15b of Form 1040;Pre-tax IRA contributions on reported on line 32 of Form 1040;Pre-tax solo 401k contributions are reported on line 28 of Form 1040;Roth solo 401k funds are subject to RMDs;A Roth 401k may be transferred to a Roth IRA (Note that from a planning perspective, it may be advantageous to transfer Roth Solo 401k funds to a Roth IRA before turning age 70 ½ in order to escape the Roth RMD requirement applicable to Roth 401k contributions including Roth Solo 401k contributions and earnings.)