Appraiser's please HELP!

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I want to become an appraiser so i can get my foot in the door to owning my own company and properties. Here are my options for becoming an appraiser:
4 year degree in Business Finance- Real Estate option- i could go into property management, corporate real estate, appraisal, brokerage, investment analysis, and finance.
2 year degree in Real Estate- i could go into in land development, commercial property management, finance, appraising, corporate real estate, and sales and leasing.

Or just study the required courses to be certified

Which do you think would i be better off persuing?
Thanks!!