I just had new sod put down at my house (Oklahoma City Bermuda U3) and have had a company called natural lawn of america put down a organic starter fertilizer down 3 weeks later. My grass is starting to turn a nice green, but can I do this myself without messing up my yard?? I currently pay them $43 for a treatment, is this too much?? My yard is 4,000 sq ft and also it starting to show some weeds. Should I wait another month before putting down a weed killer? PS: What should be watering schedule be??? Thanks for helping a newbie!!!