The more you upvote in one day, your vote loses strength and power and isn’t worth as much. The next day your voting power is restored to 100%. The other possibility is that you’re upvoting something more than seven days old. You can only upvote something up to seven days.
You want to transfer your money into your wallet as soon as you see it available. Otherwise it isn’t doing anything for you. You have to claim it.
Let me know if you have more questions.