IMO if you are getting ONLY ONE beardie, even a superhungry bottomless pit eating machine of a hatchling, you will never need so many crickets to make it worth the time to have a cricket colony going.
I have 3 beardies ( 2 are 11.5 months old, one 4 years old ) + 2 Bluetongue Skinks (both about 5 years old) and until recently had a water skink ( about 7-8 years old ) , all like crickets, and a cricket colony is not worth the effort for me, I simply buy my crickets weekly (or there abouts) in lots of 800.
If I had a few more pet lizards I might give a colony of crickets a go (well I'd likely need 3 or 4 so I always had the right size crickets on hand).
I think you'll be better off in you case finding good supplier and buying your crickets in sufficient numbers to last about 2 weeks at a time ....
Might I suggest you buy some silkworm eggs (about 500 - 600) and hatch these and raise them as feeders for your beardie (will it be an adult or a hatchling (baby) ? ) In about a month from hatching the worms will be perfect size to use as live feeders for a hatchling and you'll be hard put to find a better staple feeder insect rather than BSF maggots (maybe ??).