1 Under Armour duffel bag that I use as a duty bag. Carries everything I need for work, my lunch sack, and whatever else. I have a briefcase on wheels for my laptop and a Padfolio with document storage for meetings.
I keep some office needs in my duffel bag and padfolio, but I generally leave them in my locker or in the office.
Industrial First Response/Security.
2 pockets. That's really it for day to day things. Phone, wallet, and handkerchief.
For work and school I do indeed use a bag. I use a large bag from the Timbuk2 company. I can store my laptop, charger, headphones, and a book or two in it.
For the gym I use a smaller bag I got from Sports Illustrated some years ago. I use it to carry my protein and gym materials like my gloves, lock, straps, and whatever else I need to bring to the gym.
So two bags and two pockets, all used at different times for different things.
I have a book bag for work with pens, pencils, papers to grade, glasses, calculator, sub-service phone number, etc. I have my fencing bag with swords, tips, a blade stone, sneakers, and protective equipment. If I'm in production for a show, I have a bag to transport socks, water, throat lozenges, and whatever else I might need (But not make-up. I keep that in a fishing tackle box like many actors: It's practical and makes you feel a little bit more butch.) I'll be putting a bag together for the gym I just joined since I'll be going right after school and it's tough to workout in a shirt and tie.
I suppose the answer depends on whether there is a distinction between bags and luggage like suitcases. Currently I have a leather briefcase that carries my laptop, books, notepads and such. I just ordered a canvas and leather backpack as an auxiliary for carrying things to school and on short trips. I don't really need it, but it was heavily discounted, and I wanted it (in part, I suppose, to distinguish myself from my students). I also have a large , bright red synthetic backpack of fair quality, that I don't like carrying while dressed up (hence the new backpack) but which still works well and will see use for more casual things.
Other than that, it's mostly luggage, of which my wife and I have a fair bit of varying quality. We have a couple good garment bags (one more a simple bag, the other larger and more of a suitcase style), and a collection of suitcases and duffel bags of disparate quality. We're trying to work through the junk (often gifts or hand-me-downs from older relatives) and have found the Costco Kirkland-brand makes pretty good suitcases at a reasonable price.
My bad back recently forced me to a two bag combination. A rolling briefcase/computer bag and the soft-sided lunch bag for daily work use. I've an ancient soft-sided attaché case for the odd not at work go round where I need more than my pockets will comfortably hold.
I don't feel the need for the weaponry or disaster preparedness level of equipage espoused by others on the site, so I may be on the light side.
I do use a suitcase/carryon combination for business travel and have been working on cutting that down, especially after getting nicked for over $200 in airline "excess baggage fees" on a recent vacation for my family of four.