The bare minimum order sum could differ since it depends on the chosen fiat gateway. Normally, the least order commences at $20 (or the equal sum in your neighborhood fiat currency). There are cases where we have to collaborate with our partners to refund your money — for example, https://financefeeds.com/6-best-meme-coins-to-buy-this-week-the-must-see-list-of-the-month/