First of all, the storefront you mentioned can be seen in every city now. From a philosophical point of view, existence is reasonable, then it must be profitable, otherwise, its existence is unreasonable.

Secondly, the country is now vigorously promoting the development of health industry, and the health care of whole grains will certainly develop rapidly and have a good prospect.

Finally, if you don't open your own shop to make money, personally, subjective factors account for a large proportion, that is, as long as you work hard, your efforts will definitely pay off.