if poloniex hasn't had the volume it has, you would end up at the same issue there ..
If no one sells a token to you at the price YOU want, then you need to go higher with your price or find someone that is willing to sell it to you ..
there are many people working to bring more liquidity to the market as we speak .. but that is not a matter of just a few hours .. people need to deploy integration tools and libraries and need to modify their bots as well as they need to figure out profitability and risks