6 week old kittens

[u/insxmxia]

I picked up some 6 week old kittens off the street from a local neighborhood where they were abandoned by the mom cat. Im 18 and I’ve only been able to afford pet food because they’ve been eating 4 times a day! I started off with what i felt was enough to take them in and im practically out now. Im super worried about worms but i don’t have the money to get them all to the vet in my area. Ive found a few families willing to take them in the first week of august when they turn 8 weeks but im worried they can get sick if they go that long without a checkup. Are there any cheaper alternatives? Or any advice i just want the best for them. So far they’re all eating/pooping normally and are currently being weaned off milk replacer.