Does $20 in groceries buys you good amount of food?

Yes, just look for sale tags.

Yes you can get a good amount of food you just have to shop wisely Sale fruits and vegetables The peanut butter from the grinder in health foods is a great deal Look for the sale tags

Sounds good, Dollar Tree juices and frozen items for 20 items

depends how many your feeding. 1 person get 5 days good if there not picky and buy specials