I always heard cheese before sleeping gives vivid dreams. (doesn't work for me!:)) When I am looking for ideas I like to go into a trance state and let the characters move around in my head with different dialogues and scenes. Soaking in the bath is a great place for this.
I got banned from writing forums [.org] the same way. Someone asked about scriptwriting editors and I named a company in response and got banned. What can you do??? :)
I agree with the author above in that it is better to have your eggs in more than one basket. In addition, you should be able to expand your audience with more platforms. I rarely use Amazon for books but I am on Kobo at least once a week. I find that I get in the habit of using one preferred...
Fiverr or Freelancer might be more affordable places to look. I don't think you'll find anybody cheaper than €1.50 per page to be honest as mentioned above.