 Optima Tax Relief. Some restrictions apply. For complete details, please visit OptimaTaxRelief.com. How much cheaper is it to eat at home? Here are some numbers. 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.