Expense Cheque Turnaround
Delay in remembering to file my expenses: 3 months.
Time to fill in expense form with 3 months of expenses: 5 minutes.
Delay from filing to receiving expense cheque: 2.5 hours.
For a few things in life, it's pretty obvious that I'm the root cause of the problem :)
ssh+2FA to all your machines, anywhere, without opening firewall ports.