How Much Will That 401(k) Loan Cost You? By About Cash Flow Editor | 29 February, 2008 - 10:02 pm |16 June, 2015 Personal Finance I have read in the news lately that more and more people are tapping their 401(k) plans in order to get cash to pay bills. It doesn’t take a genius to figure out that in most cases, borrowing from your 401(k) is a bad idea. … More: continued here Tagged genius. Bookmark the permalink.