A. Taking out blood from the ear does not help whatsoever unfortunately, it will just fill back with the same amount of liquid in less than 24 hours.
Most vets opt for the surgical option, either because they are used to it or because of the money, but there is a medical treatment that works 99% of the time.
First of all the ear infection must be treated with antibiotics (topical ear drops and systemic antibiotics if bacterias are present). Then to treat the Hematoma the vet should be able ti prescribe you a treatment with prednisolone (steroids) that will last one month. It takes longer to resolve than the surgery obviously, but it's much cheaper and not invasive.
Talk to your vet about this option, if he declines go to another vet, you will find one that will agree to treat with this protocol eventually.
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