Massive is boom or bust.
You either get a minimal bonus or a massive bonus.
When they're cold, they're cold.
Used to play them quite a lot, but have gotten away from them, too many dry runs.
Mine were $48 the first few weeks then lowered to the thirties or twenties. One week was $7 and one was $2, but I didn't play much the previous week. It's all based on the previous weeks play.