Wagering requirements are attached to traditional bingo bonuses. For example, you might be granted a £20 bonus when you sign-up, however, it will have 4x wagering attached. This means you will have to spend £80 on bingo tickets before you are permitted to make a withdrawal from the website. For this reason, no wagering sites are becoming more popular as they allow you to walk away with a profit right away without having to play through your bonus balance multiple times.