Some betting sites are better for one sport than another. Yes take advantage of available sign up offers once you have chosen a site to try out, but don't let the welcome offer be the main reason for your choice There are still great differences, however, and the way they will try to get your custom is by offering a crazy welcome offer.ĭo not be over influenced by these. In comparison with the UK for example where there are more than 80 sports betting sites alone to choose from, the list is in NJ is far more manageable.