You instruct the banker for company B to write a letter, on bank letterhead, confirming a DOLLAR AMOUNT of funds available (it doesn't have to be everything, just enough to comfortably cover the deal), and deliver it, along with the offer, to the listing agent or seller. 

That's true, however what if they can't deliver on the occupancy in a short period.

We have yards signs that say "I support Vacation Rentals"  if you are on the beachside I can deliver to you and we need as many out as we can get before the 18th. 

If the market crashes, you HELOC can evaportate in an instant.

We manage a few in NJ and are constantly shipping up and/or ordering supplies to be delivered to cleaner. 

We figure we'll have to replace them every 3-5 years as the saltwater damages them beyond use.Gas: Weber 2-burner (It was less than $300 delivered in early 2022) -  https://www.amazon.com/gp/product/B01HID4Y7Q/Charcoal: (May not be this exact one, but it's similar)  https://www.amazon.com/Weber-741001-Original-22-Inch-Charcoa...Honestly, I don't know how much guests actually use them. 

Us investors after all deliver win win solutions where everyone has to win. 

It's a cash payment, no reversals, instant transfer to your Cash App account. 

I'm on the board of CFRI, the local chapter of the National REIA and would love to have to come out to one of our over 2 dozen meetings we have each month.You would add instant value to us and think you gain some as well. 

I bought some Ron Legrand home courses, Wholesaling, Seller Financing, and Lease Options, back when you could get the workbooks, forms, scripts and tapes delivered to you in the mail.