Google snow blowers for sale and then
you will have to decide if you can buy a used one
or new.
Your the one who is saddled with it if its junk.
A used rear mount is sold when its worn out or
due to an estate sale or an owner buys a bigger prime
mower larger than the blower is capable of handling
within the power ranges
There is a lot of iron out there as far as used and new
small rear mounted blowers.