I'm spending more and more time "pruning" the seeds I've collected. At first I'd keep around 15 of the highest-earning plant in case I needed a cash crop, plus as many as possible of the other seeds. The "as many as possible" soon became a couple, then one, now I'm having to trash the lower-tier seeds so that I can now keep tier 3 and 4 seeds only.
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To err is human; to arr is pirate.