The POA is probably a dead idea.....the brother can sign/notarize doc.s wherever he is....no need to actually be at the closing.  

Our notary will accompany the courier to notarized any documents we need notarized. 

A title agent can also draw up the agreement, have it notarized and recorded, plus set up the payment schedule.

My understanding is the estoppel is a notarized document verifying the information is correct (we don't call estoppel in Canada). 

ALWAYS, let me repeat - ALWAYS, require a notarized waiver from every sub before you put a check in their hands.  

Write up legal docs, notarized, for inheritance purposes for all properties, to protect each other.

The little explanation that followed said that in their opinion, everyone should obtain an MOA, a memorandum of contract, or an affidavit, and have it notarized along with a signed contract so that the seller can't back out or sell to someone else and cancel your contract.Where I'm confused, if you have a signed contract, then why do you need an MOA (MOU) or affidavit.

But the notarized memorandum of contract is signed by him and is notarized by her.. on the contract it says “principal of buyer is a licensed real estate agent “. 

However, how am I realistically supposed to schedule an appointment, get documents signed, notarized, and then deliver them to the title company..... within a day?

Was no problem and cost me only the $30 filing fee plus a few bucks to get my signature notarized at a UPS store.