>>1784327>patch kits are over $5 nowYou can use a small bit cut from a junk tube. You have to prepare them beforehand (cut to size, clean off all of the mold release powder), but it's cheap.
>>1784330>with a positive-angle stemYou can also get those tall ass Technomic stems, if it's that kind of fork.
>>1784333>a shorter wheelbase or whatever probably means very few of the old components will be usableThat's nonsense. If you're going to give bad or lazy advice, don't even bother.