Costs of adding to the following (approximate):
Cryptopia: 0.92 BTC (Buy Now)
Nova Exchange: 0.40 BTC (Buy Now), or 250 Free Votes (each account gets 1 vote per day)
PoSWallet: 0.86 BTC (Buy Now), or 1000 Free Vote (get 1 per day)
Most exchanges also review the coin before adding it, even if you pay for it.
Remember to use your free vote every 24hr.
https://poswallet.com/addcoin.php