Can a broker offer thousands of dollars cash back on a condo sale????

I am trying to buy a condo from a Real Estate company and they are offering me $50 thousand cash back. Is this legal?
The condo is going for $700,000 and they will give me $50,000 back at the close of escrow
I understand that it is my $50,000 that they are giving me, but this [...]

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Our exclusive patent pending real estate investment software will instantly compare, evaluate, and value every property in your defined area. It then identifies the best priced homes on the market by filtering out the properties where the asking price is 10% or MORE Below what the comparable value is. It pinpoints these under-valued listings as properties worth a [...]