 Are you planning a cookout this 4th of July? WTOP's Dan Ronan reports on how much it could cost you. The Wells Fargo Agricultural Report says a home-cooked burger costs a little more than $2 per burger. The same burger at a moderately priced restaurant is more than $7. If you're looking for budget-friendly sides, try homemade potato salad. White potatoes have declined 4% in the last year.