You can actually utilize the netherrack you mined to help make nether bricks, smelt it with lava, which is plentiful. This is often time-consuming, but nether bricks are pretty much as good constructing material as cobblestone, and It is plentiful. You can really make an automated smelting facility to Cook https://vanshgamer.com/5-tips-for-surviving-the-nether-in-minecraft/