Which bot should i get?

Hey guys,
first of all i dont have any experience in botting.

I dont know which bots are still good/active and i dont know how much they would cost (monthly would be best i guess).
Further it would be nice to explain what an unlocker is and will i find guides how to set the bot up?

I am planning to create a new WoW account and start a mage on it who should be capaple of leveling and farm solo dungeons later on.

If anyone could help me i would be thankful :)

For soloing dungeons there is only one choice and that's SIN, others can't.
Account life expectancy will be a month at the most, unless you are really lucky.
Cost ranges ~13-20, depending on who you buy it from.

Unlocker is a botting SDK basically

Make auto-rotation by heliki.
if you need it easier and faster to make ahk script and rotation by GSE.
If you need it only for pve/leveling, it will cover your needs almost completely, and even more.