Online casinos to avoid are not just those associated with low joining bonuses or those based overseas. Online gaming is great fun. Jackpots at online sites can be much higher than traditional casinos because of the much lower overheads of any online business as opposed to its bricks and mortar equivalent. But which should you trust and which do you run from? Here are some criteria you need to consider when deciding which online casinos to play at. This list is by no means exhaustive.