As long as you have lived in the property for at least one year then you do not need to call your mortgage company as you have fulfilled your requirement when you got the loan in the beginning. 

Using demeaning and sexual language during confrontations.

Once he gets his CO you can close but until then he has not fulfilled his obligation.

That's an ongoing journey for sure but isn't it about enjoying our days, and those add up to a fulfilling week, months, and year which add up to a fulfilling life.

I have a full time job that I love as a product design engineer and I want to fulfill my other dreams which is owning my first Multifamily home.

If he is getting larger, nicer, and closer to his workplace does that fulfill the requirement?

From what I have read and learned, it is not an easy task but for me seems to be one of the more self-fulfilling opportunities I could pursue.

If buyer fails to fulfill his obligation under this real estate contract or buyer fails to close this transaction, the down payment is not refundable to the buyer unless failure to close is exclusively the fault of the seller of if seller cannot deliver marketable title to the property.  

It seems if you can find the right deals, flipping may be able to get you larger returns in the shorter term.The "best" investment is the one that fulfills the needs of you and your soon-to-be expanding family!

As long as you have performed and fulfilled the contract, it is definitely non of his business if you figure out a way to make money on your own.