I have a dozen bikes at any one time, many others built and let loose to others. I buy tools as I need them, maybe some on eBay ... and I hate the idea of being locked in to one brand...even a good one like Park. So, I suggest you get what you need when you need it. Over time, you'll be set. Frankly, if you get a kit you're going to find you're missing something you need, and you'll be buying oneseys anyway. And, you'll find that a few tools, like your hex key set, need to be superior quality, and others you'll use one a year at most and can be junky, and you'll be selective where you spend your money.