“I shopped at Trader Joe's to save money.”

I believe it was two weeks ago, I asked for advices on how to cut grocery cost. I live in NY and shop at Food bazaar. And many people were kind enough to share their recommendations. Most importantly: shop somewhere else like Trader joes, Aldis or Lidl; eat vegetarian diet and Dont eat at all. So for a starter, ai bought this grocery cart and took the train to go to the nearest Trader joe’s. I dont really think there is much of a difference and it felt like the produces like onions, sweet potato