What do you do if you over treated your lawn with (expert weed & feed)? My grass is brown I don't have any more grass. What can I do?

Well with the price of gas going higher and higher each day, you won't have to worry about purchasing the gas for the mower.
But in reality, I think you are going to have to sit and wait this one out, the damage is already done and you have essentially BURNED up your grass.