Family Dollar complaint: Theives and I paid can’t find receipt but use card

Christmas eve I came to pick up some thing clinton Ave, there were people ripping. Boxes taken moving that no uniform top look like an a
Addict. The cashier charged twice fir cups I only got one 92937207918 gave her this product first 3225161854 which she didn’t even charge for I’m looking for it notice I didn’t have it receipt showed not charged,but chared twice for these red cup. Went back store closed to closing a dirty guard at door people moving out carts which I thought didn’t come out the manager I guess I told I was charge twice for cup I didn’t have and how I didn’t have foil.
She said your OK and handed me the foil. No exchange or refund on two cups charged.
Today I go in to exchange what I bought two not open for a girl they told me I needed as receipt
All them people stealing in the open,I can’t exchange when I paid with card it under twenty dollars. And some stupid no return policy that dollar tree. These gift aren’t opend at all. Warning road said same thing Manger Laure I told I found policy requirement online. We can choice to return or not Wrong . I have honor roll degree in business administration. And she will not address me like stupid
I want a printed. Receipt. Or retune to get something else for grand also theives walked out with you hired help look out assistance and they treat theft
5852023718 Tracie Ingram soi can exchange my paid for things,
These two stores need to fire staff and mangers if the bend the rules or make them up no good