What's a good micro motor warehouse for a beginner?

Just search for the remote control plane.
You'll find many lists of hobby shops.
(I like/use mostly the hobby of the tower, because they have everything from RTF to building materials that needs to be built from scratch; But others are also fine.
Unless you have a place that can fly in the indoor, such as a large warehouse with a high ceiling or gym, otherwise I will be away from the small "mini" model, because they don't in the outdoor breeze would fly very well, because they are small, but very light. (I was flying outdoors, with planes less than 48 inches, and a few larger planes, but I also had more than 90 acres of planes and a "private" landing strip.)
As a beginner, no experience, I suggest an RTF or ARF, complete package, including aircraft, transmitter, receiver and server, the engine/motor (ARF to cheaper price, but need some assembly).
The complete "package" in ARF starts at about $125, usually consisting of four channel controls. Elevator, rudder, throttle/ecm, aileron.
They are both electrically and nitrified.
Additional projects are required, but depending on which type of power you use.
See if you can find a local group that will help you learn to fly. You can teach yourself, but it's easier to get experience.
One, even more, may even have a "use" coach, who no longer flies, and you can buy or learn.
I hope this helps. If you need further information/Suggestions, please feel free to contact me.