What justifies the price of 30K USD for a brand new casino? Do you have any decent website traffic numbers and active players?
What's the point for someone to spend 30K USD for your website, instead of building his own casino website from scratch?
Running a business requires consistency and perseverance. The gambling business is just like any other business. The competition is brutal.
It seems to me that you have given up too quickly, or you are trying to make some quick money.