I live in California and wrote up a contract for a client of mine that I have known for 8 years now. The contract involved replacement of 6K of sod (ripping out, preparing, & laying), Replacement of all sprinklers with Hunter PGP (around 20), Installation of Shrubs (38 5gl, 58 1gl, 5 flats, 1 15gl tree) with 8 yds of bark, Installation of 360 Ft of Bender Board around lawn (cost me 1.85/ft), 46 feet of French Drainage with 2 grates (corr.pipe with wrap and 3/4" rock), Replacement of 4 1.5" Rainbird Valves w/Box & lid, & installation of 11 tons of 2"x4" lin creek cobblestone (cost me 120/ton). The plants in total cost me $1,703.46. I know this is alot of info, so thanx in advance. My problem is that I wrote up the contract in a hurry because he wanted the contract quick, so I just guesstimate the costs (something i will never do again) and I quoted him for around 14k. But after calculating my Material it comes to 8K, $9,600 after adding my 20% markup. The labor comes to around 10K making the complete landscape around 20K. 2 questions: 1. is the total that i came up with around the norm, or am I under/over? 2. Although I gave him the contract, neither him nor I ever signed it. so with a well listed invoice, can I go ahead n bill him for 20K, or should I just take the loss (knowing the loss is around 6K). Thanx alot!