Such as an irrevocable trust some insurance wont accept those.

There are a number of reasons folks want an IRrevocable trust but if you plan financing and vesting directly to the trust, revocable is the path of least resistance.  

Family members were in an irrevocable trust and changed to an LLC partnership after the mother passed. 

If Tenant abandons the Premises or vacates the Premises upon the expiration or termination of this Lease while leaving personal property within the Premises, Tenant specifically and irrevocably waives all title and interest Tenant has to such property and grants to Agent full authority to immediately dispose of same without notice, court order ,or accountability.

Furthermore I have the following included in my agreement to purchase.V.OCCUPANCY: Exclusive irrevocable occupancy shall be delivered to Buyer, Buyers Assignees, or Buyers Agents at 5:00‭ PM on the date this agreement is signed by seller, unless a rescission period is granted to the seller according to paragraph XLIX.

Irrevocably.

V.OCCUPANCY: Exclusive irrevocable occupancy shall be delivered to Buyer, Buyers Assignees, or Buyers Agents at 5:00‭ PM on the date this agreement is signed by seller, unless a rescission period is granted to the seller according to paragraph XLIX.

When I put a Short under contract I specify within my agreement that I have irrevocable and exclusive occupancy on a day specific...

OCCUPANCY: Exclusive irrevocable occupancy shall be delivered to Buyer, Buyers Assignees, or Buyers Agents at 5:00‭ PM on the date this agreement is signed by seller, unless a rescission period is granted to the seller.

V.OCCUPANCY: Exclusive irrevocable occupancy shall be delivered to Buyer, Buyers Assignees, or Buyers Agents at 5:00‭ PM on the date this agreement is signed by seller, unless a rescission period is granted to the seller according to paragraph XLIX.