This is one of those home topics where the obvious approach isn't always the right one. A better starting place is flooring type.
Flooring type
Consider flooring type in the context of the rest of the room, not on its own. A choice that works in isolation can still throw off the balance of everything around it.
Corded versus cordless tradeoffs
Consider corded versus cordless tradeoffs in the context of the rest of the room, not on its own. A choice that works in isolation can still throw off the balance of everything around it.
Filtration for allergies
One thing that's easy to underestimate is filtration for allergies. 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.
Weight and storage
Weight and storage 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
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.
Do I need to spend a lot of money to see a difference?
Not necessarily. Many of the changes described here are about arrangement and habit rather than new purchases, and they're worth trying before spending on anything new.