A sports betting website is an online service that gives people with Internet access the ability to wager cash on the outcome of sporting events. German wagerers use 3rd party payment methods like e-wallets, credit cards, and bank transfers in order to transact with wagering sites.
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Exist any German wagering sites?

This is a typical concern. Usually when individuals ask it or enter 'German sports betting sites' into an online search engine, they actually indicate