Not many clubs are in a position to turn their noses up at a chance to sign someone of Diego Costa's ilk for nothing - but they'll sure be plenty steering well clear.
For Costa is a conundrum, and signing him is like deciding to place a large stake on red or black at the Roulette table.
The benefits are obvious but there is an element of risk attached, and the outcome could go either way.
At the moment it is Arsenal who are weighing up whether to gamble or not.