Real estate marketing depend on ?

Real estate marketing depends on all of the above. It is a formulae needed for the potion to work

As it turns out, real estate business depends on a lot of factors and relies on a good PR campaign. I believe that for the development of real estate marketing, it is also worth thinking about referral systems. I found enough information on the Internet about real estate leads for new agents, which gave me an excellent strategy for kickstart my real estate project. I advise you to read more about this.

(what is answer number3?)

If you really mean "Marketing" and not sales, you will need the background and knowledge in addition to other capabilities that are mentioned. 

If you mean "sales", you will need all