Sell To Buy -

: You sell your home, receive the cash, and "rent" it back from the new owner for 30–60 days to buy and move into your next house.

In markets, "sell-to-buy" is often an immediate action to maintain a position or rebalance a portfolio. Sell-to-Buy — Busby Group

: You make an offer on a new home that is legally bound to the successful sale of your current property.

: Financial certainty of your budget and avoiding the burden of two simultaneous mortgages.