It's been a few years since I last updated the list of providers (there are older threads on this topic here on BP), but at last blush there were five trust companies offering the ability to write and service mortgages from registered accounts:B2B BankCanada Western TrustOlympia TrustEastern TrustCommunity Trust CompanyOf these, Canada Western and Olympia has the best offerings at the time.  

The bank then writes a check from the borrowers deposit account to whomever the money goes to.Do you see what's happening?

Insurance was a huge challenge, but BiBerk (a Berkshire Hathaway company) was willing to write a policy for us. 

Fees should be clearly stated in writing, easy to understand, and justifiable.

Look for your states offer to purchase contract online or contact a realtor to get a blank copy. review the agreement to be sure assignment is not expressly excluded. if there is nothing excluding assignment from the contract then writing the words "/And or Assigns" after the name or company's name on the buyer's line should be sufficient.Good luck!

Fees should be clearly stated in writing, easy to understand, and justifiable.

Fees should be clearly stated in writing, easy to understand, and justifiable.

I use credit cards, write checks, and pay in cash.Each situation can dictate the payment type. 

If you have anything in writing(texts, emails, contracts, etc) gather those.

That someone will write a long answer that will tell you how to do it?