I personally just go and take a look at my stuff and if it’s still 1900 power level at this point I just delete it. Also you can pull exotics out at the power level of 2010. If you have any exotics below 2010 delete those especially if you don’t use them. Lastly before a new expansion starts I usually pull everything from my characters and look at duplicates, keep what I like best and delete the others. I keep around 580 items in my vault currently. I plan on cleaning up soon. If you have any garbage exotic armor rolls just delete those also, especially if the power level is very low. Just some pointers.