Whens the best time to check a place like Target or Walmart?

Basically the question is, when do they usually restock?
Do they restock at night, so check in the morning?
Restock in the early morning, so check after lunch?
Or do they just randomly restock, so we need to check randomly and hope we are lucky?
Any employees out there want to give us an insight?
-ed
Do they restock at night, so check in the morning?
Restock in the early morning, so check after lunch?
Or do they just randomly restock, so we need to check randomly and hope we are lucky?

Any employees out there want to give us an insight?

-ed