Any one would think Dash is wrothable to mine, a new guy here.
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after read some artical of dash, looks like it is pretty potiental coin, and its price is not bad.

If you do not have the ASIC, it is better not to mine the Dash. It is not GPU mineable for long time. You will lose money.
Pretty much any x-series based coin and quark as well- these all have asics on em and they won't do you any good. Sticking with ETH or Zcash is the safe way to go as of yet, most other coins won't net you a penny in profit. Many other coins are also risky, and you can lose a days worth of profit in them. I like to go safe instead of risking it all.
I agree on everything except the risk taking.
I myself was mining Zdash but by computer is dead, some kind of motherboard resistor leak that fried my northbridge.
Zdash isn't as safe as Zcash etc but it's a risk worth taking in my opinion. I think the profit is about $1 per 280x right now but we're working to get listed on Bittrex, that will make the price go up!
XCI(Cannabis Industry Coin) is also a good option!