Buying and holding bitcoin is need more money to invest, But if you want to earn from small amount of investment then bitcoin mining is best option for you. As i am working with bitcoin mining business since 4 years and as i see there is lot's of opportunity to earn bitcoins for free. Simple thing is that you just join bitcoin cloud mining company, purchase cheap plan and start earning bitcoin by next day. Nothing simple than cloud mining. If you want to join good legit and secure cloud mining website here is one, I share my ref link so join me fast.