Because covering or storing something damp traps that moisture against the surface, which is one of the most common causes of mold, mildew, odor, and metal corrosion over winter — often a worse outcome than leaving the item uncovered.

Yes — different materials have different seasonal sensitivities, so there isn't one universal winter-care instruction that fits all of them equally well. Always check your specific product's manufacturer instructions first — they override this general guidance.

A mild dish soap and water solution is a safe general-purpose default across most outdoor materials — wood, metal, synthetic weave, and molded plastic — but always check your product's manufacturer instructions for finish-specific guidance before using anything stronger.

It depends on the material, the cover or storage arrangement, and how exposed your site is — there's no single right answer for every piece. Many materials can reasonably stay outside if properly covered or protected; others do better in storage. Always check your specific product's manufacturer instructions first — they override this general guidance.

In most cases, yes — but the cover has to actually fit and breathe. A cover that's too tight, too loose, or non-breathable can do more harm than leaving furniture uncovered. Always check your specific product's manufacturer instructions first — they override this general guidance.

Plan the whole space first, then build in stages: drainage and underground lines, then paving, then structures and features, then furniture, adding spare conduit or capped lines now for anything you might add later. Before planning heavy additions, confirm the surface can carry them (a hot tub on a deck needs an engineer’s or builder’s approval) and that local limits on paved area and setbacks leave room to expand.