Here Are The Best Days To Get Great Deals On Various Products And VacationsAuthor:Alex GrobermanUpdated:Mar 7, 2018Original:Jul 12, 2015Buy your airplane tickets on Tuesdays. August is the best month to buy a car and gas is cheapest on the weekends. And that's just the tip of the iceberg. Every product and service has a day when it's cheapest. Check them all out in the video below.