Hi @Laxmi Chirravuri
This is a very hard question to answer and a very long question to answer. There are many different ways to manage a self storage facility. A lot of it comes down to what size facility you have and whether or not you can afford to have a manager on site. There are a lot of good tools for self automation (kiosk, auto locks, auto gates) but they aren’t perfect and don’t allow you to be completely hands off. You will always need someone who can respond to the facility for maintenance, lockouts and potentially to show units if you choose to do so.
I can’t help you with your competition or demand as I’m Not sure where you are looking to invest. A good start would be to simply do a google search to see what facilities are in the area of your interest to see how many facilities are around. As far as demand goes I would take the facilities you find on google call each one as a customer and start asking questions to help determine if demand is there.
If you are unsure of these basic things I would start by purchasing a few books related to self storage and/or look at @Scott Meyers self storage training academy. There are a lot of good resources out there to start self research and answer some of your questions.
As stated earlier the answers to your questions asked could be very detailed and go on for a long time. If you are new to self storage, I would go pick up a few books and start searching the internet for basic knowledge before you dive right in trying to purchase