Types of Galleries:
Commercial/White Cube: Also known as a “white-cube gallery,” this is a for-profit space that has a roster of artists they exhibit.
Non-Profit/Public Galleries: Spaces that are not for profit and do not exist from sales of artwork. Typically supported by grants. The work shown can be more experimental. Academic galleries, non-profit spaces, libraries, museums.
Artist Run-Co-op: An artist cooperative (also co-operative or co-op) is an autonomous visual arts organization, enterprise, or association jointly owned and democratically controlled by its members.
Online Gallery: An online art gallery is a website that displays artwork. Usually, the online gallery is run as a business, with the purpose of promoting it to potential buyers.
Rental: You rent the space and are in charge of hanging it, promoting etc
There are pros and cons of working with each space.