You need to sell your current home in order to purchase your next home but don't want to be homeless in the process.
A) Shop for your new home first
B) Sell your current home first
C) Go on sabbatical and hope everything is worked out when you return
This one's a no-brainer!
I have helped households with this tricky and complex dual-transactions many time before and have *proven* strategies and processes to make your transition into your new home seamless!