Secondly, you can try a risky option: sell a car, cottage, extra apartment, etc.D. That is, to sell some property that you can do without.
Thirdly, this is a bank loan. The difficulty is that banks are reluctant to lend a small business and offer a high percentage. However, you can do with a consumer loan in the amount of 300 to 500 thousand rubles, which will be enough for the initial expenses to open your business.