When a long dry stretch tests your bankroll
Deciding how much to stake per session on Gold Oasis means accepting that you cannot know when the bonus round will come. Its frequency is not known in advance. The result of one session is random whatever the RTP version in use, so a strong run and a weak run can both happen at the same bet.
Deciding which RTP version to trust on Gold Oasis starts with the game rules, because they are the only place where Vegasnow Casino shows which version is running. Read them before your first stake. Then match the version named there with the figures in the RTP table on this page.
Treating the maximum win on Gold Oasis as a target means planning around a result that may stay out of reach for good. The maximum win is a ceiling, not an average return, and the game reaches it very rarely. Read it as the largest single payout the rules allow, and set your session budget before you start.