For crafting endgame gear, Necropolis crafting highly depends on Path of exile currency the economy. There needs to be a lot of corpses being sold on the market for a reasonable price. Otherwise, you are drawing dead until you get the corpse you need by yourself.

If you do decide on crafting your gear through Necropolis, you must take the notable atlas passives such as Prospero's Wager, Condensed Souls, Decisive Souls, and Royal Souls.

Remember, you can always remove the corpses from the grave if you make a mistake. However, corpses get deleted when you remove them, but it is up to you to decide if it is worth it.

Selling Corpses
Every time you loot a corpse, it immediately gets transferred to your Necropolis Morgue. You can access this by talking to Undertaker Arimor from the hideout or in the Necropolis. Once you have a specific corpse you want to cheap POE currency sell, you can click the "Itemize Corpse" button as seen in the image above.