Cell phones, rent, credit cards(get secured if you can't get regular), store cards, gas cards(those seem harder to get for some reason).  

The Bigger Pockets book store if full of great books: https://www.biggerpockets.com/store

If it's good quality, store it and use it for staging later on (other flips).

Neighboring Mishawaka has one of the largest concentrations of retail stores in the state, and the entire region boasts affordable housing, over a dozen institutions of higher learning, easy transportation access and convenient commute times that average 20.2 minutes.

Try the Sears outlet store in Concord.  

It is super convenient and provides significant savings over traditional carpet stores.

The Bigger Pockets book store if full of great books: https://www.biggerpockets.com/store

grocery stores?

I would just get the basics: sofa, coffee table, a set of pots and pans, dishes from a local discount store.  

The Bigger Pockets book store if full of great books: https://www.biggerpockets.com/store