I've only made money on auroracoin in 2015 and that has been by buying only, never selling, this is the most profitable strategy in my opinion. https://bitinfocharts.com/auroracoin/address/ANrSfMdwvo7zxC14xvV7BV7kgmtj3LoTTg
Funny, you can't make any money only buying
Yes you can: by buying money.