Pinterest Facebook Twitter Email Biggest Mistakes 01:30 Home improvement expert Karl Champley vlogs about DIYers' biggest mistakes. Related Videos Biggest Fails 00:42 Biggest Builds 00:45 Biggest Crashes 02:16 Biggest Wins 00:47 Mistakes of First-Time Buyers 00:30 Mistakes Make Mike Go "Hmmm" 00:30 We Recommend How to Avoid the Biggest Kitchen Mistakes