You need to invent items that make it easier for people to eat in their cars. Little table tray, etc.
Get enough likes on an internet message board to get sponsors who will pay you a proceed for every mention of their name. Brought to you by Carls Jr.
I'm going to invest in the decontamination chamber that attaches to any house and cleans your groceries and clothing before you go inside....like astronauts use...then, the shower that is also the toilet....self contained unit...fuck bidets or toilet paper...just shit in your shower toilet bowl...flush and take a quick shower afterwards!