Since Poe.trade lists all other people trying to sell that item, the first thing you can do is search for similar items to yours and see how much of a price they fetch. But there are some simple steps you can take to find out if an item might be worth some money.
There is no simple answer to this and items value can change wildly over the course of a patch. I could give a whole seminar on what items are worth selling to other players and which ones are worth dumping at an NPC vendor. What are the best items to sell in Path of Exile? Then, assuming it's priced reasonably and is an item people actually want, other players will soon start messaging you. When you drop any gear into this premium tab, you can right click it and set its price, choosing how many of a certain type of crafting resource you want someone to pay for it.
Set it so every item in the premium tab sells for the same price.
PATH OF EXILE STORE STUFF HOW TO
You have two options for how to sell items: With your new premium tab, you can now right click it to set its color and also set it to public.
Some have special layouts for organizing your crafting items, maps, or other unique types of loot you might find. In Path of Exile's microtransaction shop, you'll find a category for stash tabs that offers a bunch of different tabs that suit various purposes.