A First Class British Miles Mystery: Use It for Free Tickets or Upgrades?

Should I use British Airways miles (actually they call them points) to upgrade to First Class on BA or for ‘Free’ First Class Awards? 

This special report at a glance:

• When to use BA’s Avios points for free First Class award tickets
• When to use Avios points to upgrade to First Class
• What to do if you don’t have Avios points
• When not to use points
• Easy booking instructions 

Agatha Christie would have loved this situation:
Intrigue, exotic locales, and an unexpected plot twist.