<prompt> Human: In a recent MSN Money publication, Mark Cubans best money advice was to not use credit cards at all. Buy everything in cash. He told Business Insider in 2014 credit cards are the worst investment that you can make. The money I save on interest by not having debt is better than any return I could possibly get by investing that money into the stock market.This is a remarkable point of view from a very successful businessman. Take note of his advice and try to incorporate this into your lifestyle.MSN Money Cuban  <response>: The money I save on interest by not having debtThis sub never advocates for having credit card debt. Credit cards are to be paid on time, in full, every time. 