Money expert Dave Ramsey has built a financial advice empire by focusing on basics such as getting out of debt, investing in tax-advantaged retirement accounts, and maintaining a long-term perspective. What he has never shown much enthusiasm for are get-rich-quick schemes and trendy investments without a long track record — including Bitcoin and other digital currencies. Discover More: 13 Cheap Cryptocurrencies With the Highest Potential Upside for You For You: 7 Luxury SUVs That Will Become Affordable in ...