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It totaly depends on the type of work in real estate you want to get into.
I mean you could buy, fix, and resell houses, you could just be a real estate egent, you could be a commercial real estate investor (like me), where you purchase commercial lots in malls or on the street and lease, rent, or sell the lots, you could be an industrial real estate investor where you purchase land and lots on industrial worksites,
any many more.
You have to decide which area of real estate you want to get involved in.
I am not 100% immersed in the real estate business myself. I am mainly a long term business investor. All I do is buy out unused lots in malls and sell them to business owners that want the lot. Like for example, an entrepreneur purchased a lot from me in the food court of the edmonton city shopping center mall, he recently purchased a chain from MacDonalds and needed a place to put it, so instead of leasing, he had the money to buy it, so he did. I am not his landlord because he bought the site.
I landlord the people who lease and rent, (until the lease is paid)
what courses did you have to take in college? and math whise what are the requirements just for general real estate