> be me
> see vidya about flushing water heater
> realize my water heater is 20 years old 
> has never been flushed
> watch vidya
> that looks easy
> mental inventory everything I need, all set
> vid ends with guy saying if it's been longer than 5 years since you've flushed your water heater, don't do it
> says sediment could be concealing cracks, flushing will cause leaks
> look it up, many such cases

Guess I'm budgeting for a new water heater for when this goes out