(I’ve moved this into projects so that you can get individualized advice based on your own specific needs and set up.)
Thanks for the shout. 
There’s no one “best” answer, because people do have different requirements, and different budgets. But I’m sure the members here will be glad to help you brainstorm what would work best for you.
While it’s true that with a smart bulb the Bulb always has to have power, there are many different ways to provide a wall switch that can control the bulb. Just as an example, in the last year there are two “smart switch covers” which are devices that fit over an existing switch and give you networked control of the bulbs. So that’s one option. There are many others, discussed in the following FAQ:
That doesn’t mean that bulbs will be a better solution for you then switches, but it does take care of the first two problems that you listed.
The following thread might also be of interest:
So if you really like the smart bulbs, particularly if you want their color changing feature, you probably can make that work. But you may still want to consider other options as well.
In addition to the details that @DParker mentioned, first thing we should ask is what country are you in? The choice of devices does vary.