You need to keep making music, and keep pushing the boundaries of your knowledge. There is more than one issue that needs to be fixed, studied...
getting hacked depends on how your firewall is setup, and how you use your browser. .. but on a more serious note, what do you mean by "hacked" ..?
Malware is a generic term, and a Virus is a kind of Malware. Also, If you know what you are doing, you don't even need a Firewall or any...
2. If you buy, there are many sources and outlets for Techno. 1. If you don't buy, NEVER EVER download from YouTube and use it in your mixes....
Define "Time"
You don't need an anti-virus. Should you have any doubt of what you do, where you go, get a sandbox if at all :)
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