And like 10 car dealerships! If I had to guess I'd say his net worth is in the neighborhood of $50 million. But as we all know the net worth of a gambler can change in the blink of an eye.
Nobody on this site is going to know Billy Walter's net worth and certainly won't have a source. It is likely Billy doesn't even know himself. Guys like him don't walk around asking themselves how much am I worth as it changes daily.