HI I am new to this First year. had some one ask how much to add 2 gardens one on each side of there house. about 25ft on each side and out about 3-4ft out from house. this is all grass and will have to be dug out and hauled off. instale 20 plants in thses two areas some a small. add mushroom soil and mulch. I figured about 1 yard mulch $28.00 2 yard mushroom $50 and 12 hr total with 3 guys. total price $560.00 and hes buying the plants. what do u guys think.