You need do the maintenance job for the SSD once for while, like less than two weeks, using the Garbage Collection function just closing all the programs and log off the PC, do not turn off the PC, because you said you need to do the fixboot once or twice a month.
During the cloning to the SSD, the files will not go back into the bad block of the SSD because there are a lot of blocks in the SSD, and the files will only go into the health one. That may help.