How much does it cost to buy limestone?

Limestone comes in many varieties. Pulverized and pellitized cost about $4.00 Per 30-40 pound bag. So-called "fast acting" lime can cost about $15.00 per 30 pound bag.

As a general rule, 8 pounds per 1000 square feet will raise the Ph level of your soil half a point (.5)

As for limestone fragments most used for walkways, you can expect to see a price around $200 per ton