"I hear some radar reflectors are a lot better than others. Which ones?"
"If your boat is 10 years old and you have never serviced the wire connections, then rest assured that your bonding system is now useless."
David Pascoe
Electrolysis, Grounding and Corrosion
Sensible Maintenance Planning starts with a good Spares Inventory and a comprehensive set of boat Tools, Flashlights, and the Waterproof Containers to keep them in working order.
Selecting a good Boatyard for a emergency or routine haul-outs or for Winterizing a cruising boat can provide peace of mind.
Beginning with good Medical Insurance and some basic Medicine-at-Sea skills and supplies, cruising sailors can cope with most medical problems. Among the most common is Seasickness.
There are good marine alarm techniques and systems for Fire, Carbon Monoxide and Propane, Sinking, Collision, and Security dangers out there.
Fighting the dangers of cruising, Heavy Weather for instance, is easier when you've done detailed Emergency Planning and followed all the Safety Regulations.
Coping with Going Aground, Leaks, Fires, Crew Overboard or Abandoning Ship, you should know about Distress Signals, Making Repairs Aloft, Liferafts, EPIRBs and other techniques and gear.
Although piracy is a danger only in a few places, Theft is a more common danger for cruising sailors. There are skills, techniques, and Security Systems for both.