Chance behind every Starlight Princess 1000 spin
Decide how much you will stake before the first spin, because how often the Free Spins round comes is not known in advance. The gap between bonus rounds is random, and so is the result of any single session, whatever the RTP of the version in play. RTP is an average over a very large number of spins, so it says little about one session.
Check which RTP version runs before you bet, because only the game rules show it. Starlight Princess 1000 comes in two versions, and the gap between their return figures is small. Read the rules once, then compare the version in play with the RTP table on this page.
Plan around the bet you can afford, not around the top prize, because the maximum win of Starlight Princess 1000 is a ceiling reached very rarely. The ceiling is a multiple of the stake, so the money amount grows with the bet size listed in the table. Treat a big win as an outcome of chance, not a plan.