Softopper makes a great product, and I have owned one myself. I will say though, they are now upwards of $900 new, which I find to be absolutely ridiculous. If you can find a good used one online for a decent price, I'd go for it. I'd avoid buying a new one, though.
I agree that you should hold what you have until this market cools off. Why not buy a little travel trailer? $10K could buy you a nice camper that has more room than any truck camper could offer. With you staying in one area, you don't really NEED the mobility of a truck camper. You could use...