hey i am thinking about doing a power booster to my drum brakes ,, i know i should do the kit but i am thinking my budget ,,, can i do a power booster now and maybe do the disc later on ???,, or should i just the booster and leave it alone

go easy on me lol
thanks


1958 chevy biscayne
235 6 cyl 1 barrel
2 speed PG tranny