I don't know where did you guys get that $1 minimum bet info but be aware on Betpanda, depending on slot providers, you can bet as low as $0.10 on some slots and most common minimum bet is $ 0.20 : I really don't get why all this talk about that $1.
Only reference to $ 1 minimum bet I could find on the site is in term an conditions of "Weekend tournament at Betpanda" in which there is a leaderboard with nice cash prizes awarded for people placing in top twenty positions where only bet placed from Fridays to Mondays counts and minimum bet eligible is $ 1.
But, again, you can easily place $ 0.1 bets disregarding that promotions.
People think that the more spins they will have with $0.1 the more chances they will have to hit a high multiplier, but the truth is 50X on a $1 is better than 400X on $0.1bet in terms of returns. This is just basic Mathematics.
If one feels like the $1 minimum bet is so high, then they should not participate. Simple as that.