How could this sentence be corrected to cut out fluffy words? “I really just want to go to the store to buy groceries in order to be be prepared for the week.”

“I really want to go to the store to buy groceries in order to be prepared.”
“I just want to go to the store to buy groceries in order to be prepared for the week.”
“I want to go buy groceries at the store to be prepared for the week.”
“I really want to go to the store to buy groceries in order to be prepared for the week.”