I started with a 1-gallon. After 3 successful brews, I went for this: https://www.amazon.com/dp/B000RMTG3S
Continuous brew seemed too complicated for me right now. As far as emptying, I'll just siphon it (it'll be ready in the next couple of days).
For 2F, I've been using Honest Tea plastic bottles. For this upcoming large batch, I'm going with something like this
https://www.amazon.com/dp/B001DYO4KY/
My local Kroger has similar ones for $7 a jar. Might go smaller, well see. Final bottling in standard 16oz flip tops.
I'd avoid "self-burping" - I want the carbonation.