Free bets can look straightforward until you check what happens to the stake....
https://www.cast-bookmarks.win/free-bets-can-look-generous-until-you-check-what-happens-to-the-stake-this
Free bets can look straightforward until you check what happens to the stake. This guide for Irish customers explains the key terms, how to compare offers and why a €10 free bet at 4/1 returns €40 in winnings when the stake isn’t returned