I buy mine from Ghann's crickets..(Mike Rowe from Dirty Jobs did an episode with them lol) I get 500 1/2in for my almost 3 month old..with the overnight priority (comes with a live arrival guarantee) it comes to $33.12. Exceptional crickets..all the right size,and healthy as ever. Never have one death on arrival,and never more than 10 die in the week and a half span that I have them before my beardie goes through them. I keep them in a 19 gal Rubbermade bin that's clear and with a snap top. Cost me $15 for it,and I cut a hole in the top with some screen lid for ventilation. Works great
I'm sure that other sites might be cheaper. I've heard Premium Crickets is pretty cheap,though I've never ordered from them, I can only vouch for Ghann's. Great customer service,sends you a confirmation email every time you pay for something so you can track it via Fed Ex. Will only be using them for my crickets
Hope that helps.!