Hello my name is mike i just started a lawns service company in miami, fl and was wondering if some one could help me. Im having problems estimating. i have to do a marble chip rock job the nursery told me i would need 2 1/2 yards of rock to cover 420sq ft which comes out to $337.50. and 12 bags of mulch which is half a bucket scoop wich i can get for $13.00. also need to install mesh roughly $30.00. and need to remove some weeds and prepare the flower bed. Can any one help me how to charge this job?