In the US -- there is no "minimum amount when authorities check bank accounts" -- they can't legally do that. You are required to report all income to the IRS regardless of source and it's generally not a good idea to mix personal and business accounts. An LLC, EIN and bank account take about 1 hours worth of paperwork and you're generally set to start exploring the business side of an idea.
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In the US -- there is no "minimum amount when authorities check bank accounts" -- they can't legally do that. You are required to report all income to the IRS regardless of source and it's generally not a good idea to mix personal and business accounts. An LLC, EIN and bank account take about 1 hours worth of paperwork and you're generally set to start exploring the business side of an idea.