The best way to beat the rush is to sign up for Isaac's newsletter. It doesn't cost anything, he doesn't spam and it gives his customers a leg up when product comes in. It is truly the only way to stay ahead of the game I would say.
The other problem Isaac is plagued with is the Chinese going on Holidays every so often for this or that. Unlike us, it it not the odd day, but they shut down the country for days even weeks during festivities.
Once you have become a regular, it is not difficult to remain in stock. If one orders enough to see them through the dry spells, then it is just like groecery shopping. When you get a little low, you go shopping when stock becomes available, and you never run out
