This is one reason why I only do longer term trading. I can't devote the time needed to be a good day trader since I have a full time job, plus a wife and kids. I have to just rely on good long tern decisions and hopefully it will pay off.
that's what one should do if they have a full time job other than trying to become a full trader. you don't even have to use that coinalarm suggested by OP to observe portfolio in real time but just having an exchange mobile app will work. just having a sell order with your target price for your profit taking. i have this done to some altcoins that don't monitor a lot because i'm more focused on BTC trading that i do everyday while also have a day job.