Runners are very seldom going to actually walk around with all their fake ID's on them, unless they have shadow credsticks designed to carry these things. Credsticks can also be lost, stolen, or destroyed, and a wise runner has a number of places they can recover their credsticks from in case of such events. Weapons, ammunition, clothing, and armor are all things one might wish to stash in various locations around the city or even the world. Having only a single cache can be dangerous, of course, if it is compromised. Having many of them costs extra.
Storage spaces are also handy.
They come with similar security measures as the lockers, and take up space varying from a walk-in closet to having enough room for a couple of vans, a bunch of drones, and loads of guns and ammunition. Courier Cases Courier work can be very sensitive in the 2050's, and there are a myriad boxes and briefcases designed to keep things secure. The most common brands are armored boxes with anti-tamper circuitry attached and a variety of small ports inside. Screamer modules can trigger cellphone calls to let you know someone's tampering. Thermite modules can usually destroy the contents of the box, and plastique modules can even make it explode, killing everyone in the area as well as destroying the box's contents.