By stacking MUST in the Tube, you will daily generate Dust.
Opensea Layer 1 ( ethereum )
New spaceships from the forge Here (with cashback)Here you can buy cometh spaceships from second hand market directly (no cashback)
When you buy your spaceship, you will have to pay an Ethereum transaction (watch the gwei)
(making an offer with WETH on opensea will spare you the transaction fee)
Opensea Layer 2 (Matic)
If you are familiar with the Matic network, you can also find some second hand spaceships, directly on Layer 2 (on layer 2 there are almost no fees)
If you want to try the game without investing in a ship, you can rent a spaceship directly from the players : https://rental.cometh.io/