If you want to rise quickly up the limits, and you have another main income supports your financial life and you mogere in case of loss to replenish the bankroll eschei can.you can try Aggressive bankroll
for cache 15-25 buy-ins, tournament buy-ins 50-70 for sng50 buy-ins.that is, if it is necessary нл5 75-125$ 1 tournament$ have 50-70$, etc If you have difficulty with loss of part of your bankroll then the best would be to cache a minimum of 30 buy-ins for tournaments of 100-200 buy-ins, buy-ins for sng100 better..slowly but surely up the stakes
If you treat poker as a job and the main income of it and only the loss will mean your financial position in the future, it is best to stick to very hard bankroll for cash at least 70 buy-ins for tournaments 200-300 buy-ins for sng200-250 buy-ins its limit...as there are large drawdowns in a long period time..