Not completely, many people make minecraft maps for fun and for personal use without charging. They may ask for donations for the hard work they put into their maps, but many of the maps would not require a fee to use.
No, it is free to use.
To record your PC Minecraft gameplay you simply need screen capture software.
One can download Scottland for Minecraft at the Minecraft World Map site. There are numerous Scottland maps and other maps one can download and use on their Minecraft account.
Adventure maps are usually used in minecraft maps it allows you to not break certain blocks but you can use a certain item to break that block.
It depends. If you are using a public computer, it will be a monthly fee. If you use anything other than a public computer, it is free. A better explanation can be found on Minecraft Wiki.
There are no commands in minecraft PE as far as I know.
use the comand /money or /balance
aslong as you have bought minecraft, the technic launcher is free to download and play, but you HAVE to have bought minecraft to use it.
Tekkit itself is completely free and requires no registration however you are required to have a premium Minecraft account to use the official Technic launcher regardless of whether the server is "Online" or not.
You use any kind of editor, like MC edit, and you just load
use an item frame and put the clock in it, this works with any item, including maps
go to minecraft.net, make a minecraft account, click buy now (and use money) then follow the instructions