Keeping a database of your collection is helpful, especially if you have a large collection. By using a spreadsheet software like Excel, you can easily keep more accurate lists, since they can be easily edited as your collection changes.
Personally, it's more helpful for me in keeping track of my MFB collection, since I leave them disassembled and organized by part type. I have the tendency to forget what certain parts are, especially tips, like for instance, mistaking DS as a weird-looking black WD and wondering what the heck it is. By documenting each Bey by their parts and colors, I can figure out what goes with what and put them back together when I want to more easily.
I also made ones for my Plastics and HMS Beys, but the lists aren't as detailed since I keep them assembled and the parts are more easy to recognize since the color is mostly uniform unlike the MFB series.
As for the things I use for containers, I just use
these for the MFBs. The different parts snap together and the removable divided trays are useful for tracks and tips. If I ever run out of room in them, I can always get another set since they're pretty cheap.