good advice so far.
i would add that with mama plants, you want to prune them after cloning from them. after taking clones, just nip all the remaining branches back so that the plant is very uniform. remove dead leaves and "sucker" branches that stand no chance of ever growing into healthy clone material.
every once in a while, you will need to revitalize the soil. if you are unable to transplant into a bigger pot, that means you need to root prune. basically, just take the rootball out, remove up to about half of all the soil from the base and sides, and transplant it back into the same container with fresh, new soil.
or you could just flower your mom and use one of your clones for a new mom.