NO, you must edit the file then restart.
You first need to signup using our links in the Wiki, then message CryptoGnome in the discord
No one can give you magic settings the best thing you can do is look back at charts and other user data in the #lickhunter-results channel in discord to see what other have had success with.
Technically no but you need to be aware of the exchange minimums, many users run test accounts with $50-$100
NO. Testnet price action is not reliable and will not give you the same results as the main net.