Each part of loot you acquire takes up varying levels of PoE trade currency space in your bag. To carry as many possible things at the same time, you need to move items around and squeeze items into the allotted spaces. Even then, your bag is bound to fill up quickly in the event that you pick up every single item you encounter.
The trick, then, would be to ignore items that your character can not use or are of low price. Item rarity is indicated by colors: White: Normal, Blue: Magic, Yellow: Rare,Orange: Unique.
You can pretty much ignore white items unless you are going to head back to town and have the room to spare for them. Rarer items are often worth picking up and promoting, even if you need to hold onto them for a short time. And of course, any item that looks better than your existing equipment is well worth catching — even if you have to drop something else temporarily while you equip it.
By default, figures don’t regenerate life but they do regenerate a very small amount of mana every second. You are able to manually refill life and mana by using the proper type of flask. Flask charges automatically refill when seeing a town or hideout. In addition they profit charges from killing enemies. Equipping better flasks raises the quantity of buy poe exalted orbs daily life or mana regained, and may have other effects as well.