I am about 95% done with the rehab but I am wondering does he have a right to freak out about this when there was no timeline and it was Spose to be a joint rehab?

As long as the relocation meets the two requirements above.Increase in Family Size - A borrower may be eligible for another house with an FHA-insured mortgage if the borrower provides satisfactory evidence thatThe has had in increase in legal dependents and the property now fails to meet the family’s needs; andThe loan-to-value (LTV) ratio on the current principal residence is equal to or less than 75% or is paid down to that amount, determined by comparing the outstanding mortgage balance to a current residential appraisal.Vacating a jointly-owned Property - A borrower may be eligible for another FHA-insured mortgage if the borrower is vacating (with no intent to return such as divorce, legal separation, etc...) the principal residence which will remain occupied by the existing co-borrower.

We can do joint venture deals if you're open to it.

I have done joint ventures before.  

I am officially paying off the last of my collections this thursday, and then Ill be collections free, and I can be debt free in less than 6 months after.I really want to continue expanding my businesses, as well as expand into RE, with a more heavy emphasis on RE than my businesses until the previous and current acquisitions stabilize and the dust settles.I wont say how much I make, just that I have the cash flow to very easily put down 10 and 20% down payments on houses every two weeks with ease.I really want to expand into RE in the baltimore area, fort meade area, Joint base Andrews area, college areas across the US, in Tennessee, and in Texas. 

Here are exemptions to Due on Sale(d) Exemption of specified transfers or dispositions With respect to a real property loan secured by a lien on residential real property containing less than five dwelling units, including a lien on the stock allocated to a dwelling unit in a cooperative housing corporation, or on a residential manufactured home, a lender may not exercise its option pursuant to a due-on-sale clause upon— (1) the creation of a lien or other encumbrance subordinate to the lender’s security instrument which does not relate to a transfer of rights of occupancy in the property; (2) the creation of a purchase money security interest for household appliances; (3) a transfer by devise, descent, or operation of law on the death of a joint tenant or tenant by the entirety; (4) the granting of a leasehold interest of three years or less not containing an option to purchase; (5) a transfer to a relative resulting from the death of a borrower; (6) a transfer where the spouse or children of the borrower become an owner of the property; (7) a transfer resulting from a decree of a dissolution of marriage, legal separation agreement, or from an incidental property settlement agreement, by which the spouse of the borrower becomes an owner of the property; (8) a transfer into an inter vivos trust in which the borrower is and remains a beneficiary and which does not relate to a transfer of rights of occupancy in the property; or (9) any other transfer or disposition described in regulations prescribed by the Federal Home Loan Bank Board.

If so, Husband or husband's estate rep would file Affidavit death of joint tenant for her interest and probate husband's probate as your post would appear to have done. 

You can structure it as a joint venture where they provide the capital and you manage the project end to end.

I don't recommend buying any deals FROM them (because they will already be taking the cream off the supposed future profit), but maybe a Joint Venture type of arrangement? 

I am also willing to partner on deals or do Joint Ventures as well.