The Sweet Sound of Lost Data ...
When it comes to tips for solo's and small firms, this is what I like to see; it's simple, straightforward, and can save your career (not to mention your sanity).
Behold the sounds of a failing hard-drive. Learn to spot them and replace faulty drives before it's too late.
What's that you say? You already back everything up to the Cloud? I'm sorry, I couldn't hear the end of your sentence over my dismissive laughter. No small firm or solo has adequate backup. Trust me. Just take the advice and give this a listen. You can thank me later.