About piano tuning:
http://pianopricepoint.com/how-often-should-i-tune
What parents need to know about practice:
http://www.teachpianotoday.com/2016/01/19/what-your-piano-parents-need-to-know-about-practice/
Errors to avoid with home practice:
http://blog.activityhero.com/5-worst-ways-to-get-kids-to-practice-music/#sthash.xjNuy0GX.dpbs
Free online metronome: