Just get one of those where you have ~10 to 20 of each and get replacements for the ones you suspect to burn through fast (e.g. 1k, 4k7, 10k, 100k and similar c

Just get one of those where you have ~10 to 20 of each and get replacements for the ones you suspect to burn through fast (e.g. 1k, 4k7, 10k, 100k and similar common ones). But them in a drawer and refill when you need it. I had one from a German reseller that doesn't exist anymore. For the university I made my own sortiment buy buying resistors and sorting them into boxes myself. It took 4 days to sort it, which is probably what you pay for when you get a sortiment.