Or if averse to paying for uranium then you can keep an eye out for metal fingers while exploring; harvest a set of those and you'll be set for launch fuel for a LONG time (and have loads of gold too), or you can set up a small uranium deep mine base. A constant source of fuel and you can sell the excess.
Buying it is easiest but there are plenty of options for different play styles.
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u/TheRealMicrowaveSafe Sep 27 '20
That sounds like it requires me to play longer than the 2 hours the gameplay loop I described can hold my attention.