Yes. In Client Config open the Business: Cart tab and set Grab&Go: Item Minimum per Checkout and/or Grab&Go: Amount ($) Minimum Value (excluding tax) (both default 0 = no minimum). When a minimum is set, the Grab&Go page shows a warning banner as the customer adds items - We have a N item order minimum for Grab&Go. You've selected X/N. Please select Y more meals to checkout. or We have a $N order minimum for Grab&Go. You have $X in the cart currently. Please add an additional $Y to your cart to complete your checkout. - and checkout is blocked until it is met.