How do you spend bitcoins? Are there any pitfalls to paying with bitcoin?

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If you have no idea which way to choose I recommend to have a look at https://www.crypto-rating.com/how-to-spend-bitcoin/ There are lots of reviews and recommendations how to spend any cryptocurrency with detailed explanations and ready made plans of action. There is no need to search on the web, everything is gathered in one place to your disposal. Hope it can help