First off, the term "gasser" is normally the term for the gasoline engines. The engines you are talking about are glow power or nitro powered. If you get an instructor he will tune it for you and you will have no problems, and by the time you fly without him you will know what you are doing to tune it on your own. Do you plan to get an instructor? When you change altitude by a lot you will probably need to make minor adjustment (a few clicks). Some people like to "play" with their engines (meaning they always adjust it even when it is not required) I call them needle nuts . And some will "set it and forget it". If you do go with glow you will need equiptment to start/run the plane. You can spend anywhere from $20-$150 on this equiptment.

Austin