I really like this trading bot strategy, but some investment capability are needed for such a large grid.
Answer
For small fund, you can use several pair with minimum requirements. Usually this pair is coming from Huobi Liquidity. Several of the pairs are : Mbtc , IOTA, BTS, XEM, NEO, EOS, TRX, ONT , XTZ, ADA, LAMB , FTT, GT, VIDY, XVS, and many more