In general, you'll want to apprentice under and report to an appraisal practices board. They have a set of qualifications which they'll help you learn and master before deeming you fit for the title.
You can find a school that could train you as a real estate appraiser in a lot of places. Western parts of California and Washington offer great schools that help with real estate.
You can work under as an apprentice under a certified appraiser.
To become a lawyer
You must get a state approved license.
Apply to a train company
A lonesome train.
In order to become a Real Estate Appraiser in the state of Ohio, it is not necessary to hold a state license. However, appraisers in the state are usually licensed, registered, or certified. Check with National Appraisal Standards Board.
There is really no official schooling, but there are classes taught about the subject at some colleges. Being an appraiser is more about experience and knowing what things are worth by being exposed to them.
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You have to train for it and then get a license.
train them
where do you study or train to be a lawyer