Do they take a check

No they don't

I don't know for sure but they will take checks.

Method of Payment/Coupons/Gift Cards Q. What forms of payment are accepted at ALDI stores? A. We welcome cash, Visa, MasterCard, Discover, American Express, most debit cards, the Electronic Benefits Transfer (EBT), Link cards and contactless pay such as Apple Pay and Google Pay. At this time, we do not accept checks or the Women, Infants and Children program (WIC).