Now I heard they’re setting up for some kinda staking + rewards thing soon. Saw old screenshots from other projects where people cooked decent returns in just 2–3 days, so my brain is already telling me “early = edge.”
No
That's not possible to be getting that decent rewards within 2-3 days in staking, any project that promised such reward are not promising but are luring users into loosing their money at large. No APR gives you huge rewards instantly, it all depends how much you stake and how long it kept and also the compounding ratio.
Whenever you get your rewards, do you compound it, and besides, rewards does not come so huge, it's a small gradual earnings that it's worthless to withdraw out even in 4 months to come.