i have this retaing wall to put in at this house and got a price for it tell me if it sounds right. 35 ft of block which comes to be around 80 blocks at 1.50 a block. then it needs 2 cu yards of topsoil at 16 a yard. Then 2 of mulch at 23 a yard.about 20 for gas. then see has alittle 4 x 5 spot she need some seed laid. so supplies come to about 500 dollers. i put down about 6 1/2 hours of work at 50 a hour coems to 650 in labor. Total is 1150 then add 10% for something i might forget comes to a total of $1,250.