Where do locals go for shopping around Bangkok?

Currently I am working in Bangkok and I would like to find markets which are not flooded by too much tourists. I have visited the night market and the weekend market in bang kapi and I liked the feeling of it even if I am considered to be a “farang”.
So where do Thai people usually buy fruits, foods and clothes ?
For me the chatuchak weekend market has been too touristy and crowded for me and the jodd fairs market felt for me like a huge tourist attraction.
I learned some Thai so I feel capable of talking with non English speaking thais a bit.
Do you have recommendations?
Thank you !

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