i leave at least enough for 1 year of renewals
buy a few names
spend the rest on myself
same here...i see my domains as an investment. i develop some and make passive income that pays for my renewals, i sell about 10 a year from enduser contact, make some money with parking, and reinvest all profit back into this business. this is a long term play for me, not looking to get rich quick. but my latest preneuer needs some capital infusion, might need to approach some endusers.