1. Good soldering skills
2. half decent selection of basic hand tools
3. light to medium duty fabrication skills
4. basic understanding of electronics ( so things don’t go poof )
5. good cable management skills
6. the ability to think
7. the ability to understand basic installation instructions
scope unnecessary unless you can’t do #4 …..in which case, the scope would do you no good anyhow ……😉
Pat