Around the amount 20 mark in the main narrative quest chain, you'll unlock the ability to employ your own Retainer. All these are custom-made NPCs who can store surplus items, sell things for you around the market and even be shipped off on adventures of their own with Ventures. When you unlock Retainers, then you will want to head into the Retainer Vocate in any significant city. There, you will get to customise them just as you did with your character, assign them a character, and Buy FFXIV Gil give them a more special name.
Having a list area of 175 slots, they have space to hold plenty of items; even untradable ones. You could also save Gil on them also. Using these to sell items on the marketplace will send some Gil directly to their storage for one to pick up after.
Retainer Ventures are all mini-missions which you can send your useful servant on. You can equip your Retainer with equipment just like yourself, from combat classes and collecting courses. The far better stats they have, the greater rewards they'll have the ability to get from ventures.
These can reward you with things regarding the venture itself, e.g. Hunting will give you things which are found on slain monsters, whereas Botany will provide wood and plant material. There's also Exploration variants of four mission types, which reddit ffxiv discuss require a lot longer to complete, but give your Retainer much more experience before completion; perfect to place up before you go to bed. The Quick Exploration venture is the final of the whole lot - it'll send your Retainer to go and bring a single thing, but that item can be just about anything : from crap, furniture, to end-game equipment.