I'm actually finding snakes RELATIVELY cheap - and I'm not even using Flex Watt tape. Plastic tubs are < 15.00, plastic shelving units are all of 50.00 and you can get a decently reliable t-stat for 30.00. Water bowls are probably the most expensive thing in my enclosures, and those aren't expensive, either. They only eat once a week, and I buy in bulk online. My newest snake + supplies was probably about 100.00. My initial snake and set up was 200.00.
My other hobby, though, are 'dogs and dog agility' and man alive there is NO comparison. NONE. Even if you remove the crazy amount of agility, the dogs and their grooming, vet care and supplies are more a week than I spend on the reptiles in a month. Actually, in retrospect, the dog care every week is roughly what I spend on the routine snake stuff (bedding and food, really) in FOUR months.
So, just remind yourself that comparatively speaking you have cheap pets?
Though man alive I bought feeders locally this month, and NEVER AGAIN. That was *insane*.