Most advice on this topic skips straight to product recommendations. It's worth starting somewhere more basic: stainless versus nonstick versus cast iron.
Stainless versus nonstick versus cast iron
A practical way to approach stainless versus nonstick versus cast iron is to look at how the space is actually used day to day, not how it's meant to be used. The two don't always match.
What a starter set needs
One thing that's easy to underestimate is what a starter set needs. It doesn't take long to get right, but it's the detail that separates a setup that works from one that just looks finished in a photo.
Care requirements
Care requirements matters more than it might seem at first. Getting this part right tends to save a second round of changes later.
Expert tip
Measure twice, in the literal sense: measure the space, and separately measure whatever you're bringing into it, before assuming they'll fit.
Frequently asked questions
How long does this usually take to get right?
It depends on the size of the space and how much you're changing at once, but most households see the biggest improvement from the first few adjustments rather than from doing everything at once.
Does this apply to rented homes as well as owned ones?
Most of the ideas here don't require permanent changes, so they translate reasonably well to a rental, though it's worth checking your lease before anything involving drilling or fixed installation.
What's the most common mistake people make here?
Skipping the planning step and going straight to a purchase or a big rearrangement, then having to undo part of it once the practical issues show up.