Tarps set the price, and you can't make more of them. A tarp can't be crafted or researched, whatever the unfolded calculator suggests when it turns them into cloth: each one comes from loot or the recycler. A large planter box wants the same two, so every parachute is a planter your farm doesn't get.
That is why one player learns it, the one who flies. The blueprint costs double the hoodie's at the same Level 2 workbench, and nobody else on the team needs it. Before Level 3 the sewing kits are road loot too, so this craft spends two scarce things at once.
Tip
A spare parachute in the ordinary recycler hands back one tarp and one sewing kit, half of the next one.
