RTP and house edge describe the long-run maths, not what you’ll get back in one...

https://penelopesultimateblogs.hexaforgey.com/posts/how-is-casino-volatility-similar-to-portfolio-risk

RTP and house edge describe the long-run maths, not what you’ll get back in one session: 96% RTP means a 4% house edge on the amount wagered