Take the accumulated stuff off every countertop, desktop, and dresser and burn it.
Both buying and selling are a process where you go from contract to close and then take possession over a number of weeks. If you can pull the six steps apart and see them as unique, you can move them around to see what best fits your comfort level and ability to finance.
My whole life I’ve had trouble letting things go. I would eventually remember how much I enjoyed them, or feel the pressure of whoever gave them to me, be it as a gift or hand-me-down.