A small indie press offered to publish my ebook in return for 50% of the profits. Is this a good deal?

A: It can be, provided the publisher is able to provide support that is valuable to you. This can be financial, editorial, logistical, artistic, legal, social or – especially important to many authors these days, support, help and advice in marketing the ebook.

But if the publisher provides no support of any kind, then you might be better off publishing yourself directly on Amazon’s KDP, which offers self-published authors 70% of sales.