If you plan on doing some long-term cruising on a boat with on an auxiliary diesel, and expect to be picking up fuel in out of the way places, or if the boat has a history of clogged filters, then it might worth the time and expense to install a fuel polishing system.
The old main was constructed of Dacron, and polyester continued to offer the best balance of cost, longevity, and performance for our particular situation. We decided to go with a premium-grade polyester (Dimension 360AP-MTO 8.4 ounce). Premium polyester is tightly woven and has a high yarn count that provides good shape retention and good performance over a wide range of wind speeds.
Disposable propane cylinders are darn handy, powering stern-rail grills, propane torches, and catalytic cabin heaters. I’ve also had the valves fail twice, the result...
If you're going to sail you'll be doing some stitching-no two ways about it. That doesn't mean you have to go overboard with sail repair tools. Don't jump into the $100 do-everything kit. Start with a modest kit, adding tools and materials only as your skills grow and projects require them. Chances are, you already have most of what you need in your other supply lockers or tool boxes.