When depositing stake as PLUR, it's very easy to accidentally stake too much or too little:

swarm-cli stake --deposit 100000000000000000

It would be easier if we can use xBZZ rather than PLUR:

swarm-cli stake --deposit-xbzz 10

(or maybe change --deposit to take xBZZ instead of PLUR? If they use the PLUR value accidentally after the change it would just fail due to lack of funds I suppose, so there would not be a risk of overstaking)

If PLUR input is used I think it would be good to show the preview value in xBZZ:

swarm-cli stake --deposit 1000000000000000000

You are about to deposit a non-refundable stake of 100 xBZZ, are you sure you wish to proceed? [y/N]