Renting, borrowing or buying an extractor
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Borrow first
Many local beekeeping associations own an extractor and lend it to members. That is one of the practical reasons to join one before you need it rather than the week you do, because the loaner calendar fills up in exactly the two weeks everybody wants it.
Where there is no club machine, rental exists in most regions, and some suppliers rent by the day. Both are a fraction of purchase and both let you find out what capacity you actually want before committing to one.
What the numbers look like
Oklahoma State Extension publishes harvest methods alongside costs and breakeven calculations, comparing approaches on economics rather than preference (Bir and Lucas, 2022). That is the right frame for this.
The question is not which method is better. It is how many pounds a year justify the capital, and the answer moves with three things: what a machine costs where you are, whether you can borrow instead, and what the comb is worth to you. At two hives running crush and strain, the comb you destroy is the real annual cost, and it is small. At ten it is not small any more.
Tangential or radial
A tangential extractor holds frames with one face outward. You spin, stop, turn every frame, and spin again, because centrifugal force only empties the side facing out. A radial extractor holds frames like spokes and empties both faces at once.
Tangential machines are cheaper and hold fewer frames. Radial machines cost more, hold more, and remove the turning step, which at volume is most of the labor. Neither extracts honey the other cannot.
Capacity
Capacity is frames per load, and it decides how long the day is rather than whether the job is possible. A two-frame tangential will extract a ten-hive harvest. It will take you a very long evening to do it.
The useful way to size one is to work out how many frames you expect to run in a season and divide by how many afternoons you are prepared to spend. That produces a smaller machine than enthusiasm suggests.
What it does not fix
An extractor does not dry wet honey, and it does not rescue an uncured frame. It does not replace an uncapping tank or a settling tank, and buying the machine while lacking those is the common shape of a first equipment purchase.
If the budget only stretches to some of it, the tanks are the better first buy. You can borrow a machine for an afternoon. You cannot borrow somewhere for the honey to sit.