Taxable income for individuals

[Tyr]

Hello everyone, I have been casually researching the Adsense topic for a while now. According to the latest information I have learned, the Tax Office is examining Google's bank records. These records are used to determine everyone's Adsense and YouTube earnings. Those who earn income are expected to declare and pay taxes on this income. I also discovered that in order to be taxed, one must first register as a taxpayer (by setting up a company or a sole proprietorship). Failure to declare income without registering as a taxpayer and completing other legal procedures may result in penalties such as a 1200 TL tax return penalty plus interest, and penalties of up to three times the tax evaded, even for small amounts of income like 100 - 200 TL. Furthermore, these penalties are applied separately for each month that income is not declared. For those who have successfully earned income using tools like Adsense, Cireto, Youtube, Facebook Audience Network, could you please share your knowledge and experiences on this matter? How do they earn income? Do they undergo any legal procedures for the income they generate? Do they pay taxes or any other obligations? Are there any experiences to share for those who have set up a business to earn income?