We just installed a river stone walkway(1-3" stone), roughly 280 sq. feet. It is a twisting walkway about 65 ft in length by 4 feet in width after we were finished. Before we took on this project, there were 28 slate slabs already in place used as a walkway surrounded by mulch/dirt. quick background info. This is in Chester county, PA. A VERY wealthy area, something like top 20 wealthiest counties in the country. so pricing is generally a little inflated around here. We dug out the entire area around the slate about 4-5" down, leveled the slate, and then installed edging. We laid the rock- about 3 yards worth (or buckets, I assume it is slightly less than a yard per bucket). Now my question is, what do you charge for a project like this. it took us 26 total man hours, with a little over $400 in materials. I will post pictures soon. Thank you for any help, input, or advice here.