Yes, you need a lawyer ASAP. You needed one to look at the contract in the beginning. I have to think that your issues are being exacerbated by your communication style. You need to take some time and clearly and concisely list exactly what the issues are. (Number that list to assist with clarity.) Then list what should have been done under the contract. Then list what changed needed to happen, and why. This will assist your lawyer and anyone else you wish to communicate your issues with. Right now, no one can make heads or tails of what you are trying to convey.

Here is a picture looking out from the front porch of our home. We were working there last night and the sunset was beautiful so I snapped a picture! You can see there are a lot of trees already on the property so didn't know if that would change anyone's ideas for landscaping. As much as we loved Dig Doug's idea, having a tree there would block this view so maybe a bush could replace this?!

lots of diff ways to do it. notice the darker door here, the address plaque and the light. around the base they did the white stone work. or you could do a copper plaque. w/that terra cotta, the copper and black and wood tones would look amazing. Notice the wood doors. if you can't do wood, try and find some other door styles and try black. this is SW Iron Ore. would also work I have the spanish tile and this black/gold stacked stone around my door. I painted the door a dark BM Gray color. you can see the Wrought Iron trim color w/my stucco color I'd paint your fascia trim the Wrought Iron color. (I should have used it instead of the platinum, but I thought my roof tiles were going to be a lot darker) you can see how the warm wood tones in the gate and the garage door set off the colors here's the wrought iron color on my gutters. I think this color on your roof trim would look great: Landscaping will be the finish. remove those shrubs in the flower beds and try something diff

Nothing on the exterior. I would de clutter and clean the interior, repair all the little visible problems. The new owners are going to do their own thing, and will think they got a deal if they think the house has been taken care of over the years.