老老实实去考个执照好了。上个考执照课也不过一千元。

For california see this

https://www.theceshop.com/california/pre-licensing/ca-salesperson-pre-licensing-cost

I am not endorsing this course, I am just showing you the things you can get with $1990. 

What do you get from $1990?  Get rich quick? for whom? You or Him?