You can go to the gate to adjust the goods and sell them first, and then go to the manufacturer to purchase them when you have customers or understand them.
As for the amount of money, it depends on whether you rent or buy a shop. The annual rent of a small door in a kitchen and bathroom city such as general household appliances is at least about 30 thousand, and the location is more expensive. There are other newly opened unpopular shopping malls that cost less than 30 thousand, but the houses are relatively large.
It is recommended to make a decision after careful investigation, otherwise the store will put a lot of cash, there will be no business, and it will be urgent.