Are you a boater that hopes for the best, or a knowledge boater prepared for the unexpected? If you don’t know the systems on your boat; if you aren’t sure of the condition of your systems; if you rely on the reliability built in by your boat manufacture then restrict your boating to nice weather...
You cannot buy a reliable boat, but you can buy, configure and operate a reliable boat. It is up to the Boat owner/operator to make sure everything has been done to increase the chances to getting where you are going and back again, safely, without a tow. Whenever Navy Captains go to sea they know...