The return to player (RTP) percentage indicates how much of your wager is returned to players over time. Online slots have RTPs ranging from 90% to 99%, with most falling around 95-96%. The higher the RTP, the less house edge the casino has. Focus on slots with RTPs of 96% or more to maximize your potential payouts. You usually find this info on the casino or game site. Most online casinos offer generous signup bonuses and ongoing promos to attract players. Be sure to read the terms so you understand wagering requirements before accepting a bonus. Also, look for free...