how much money do you need to start a company (launch a startup) in your country? 

supposing no profits on the first years.. (no tax on earnings)

Alchemist. 
Block Builder. 
Creator.
Degen. 
Ethereum dev. 
Farcaster Framer.

Just read through replies and found out you meant how much the government will take 
Let’s say about $1k or less.

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well, this amount sounds rational, is it a once time payment? Or yearly?

That’s the amount to register. Then you’ll be paying the regular business tax.