I've read that a hit of acid (which is considered just fine for first-timers/lightweights) is between 3 and 7 dollars on average. The one time I took it, it was 5, and I took two, which was great. Next time, though, I'm going to drop at least three. But dosage and price -like every other drug- varies on the quality and who you get it from. Make sure, if you do end up buying some, get it from someone you trust, or someone that someone you trust trusts. I bought mine from one my best friends, and that weekend was the best weekend of my life :] I think I talked about my beach "trip" here, didn't I? Anyway, it was great, and I plan on doing it a couple more times this summer.
I'm probably going to try acid sometime in the next few weeks. >:V
Nice, make sure you let us know how that goes.