Don't sell your bitcoins (or other coins). Save them well.

I am saving my bitcoin in real-world investment portfolios via Keza. Keep your bitcoin, let it grow steadily.

http://themerkle.com/bitcoin-investment-startup-keza-unveils-ios-beta-app/
https://www.producthunt.com/tech/keza
http://getkeza.com/ (It's free to apply for a Keza account