> Liquidity providing is leaving orders on the order book for anyone to take and gaining money from one person who buys your shares for $10 and from another who

> Liquidity providing is leaving orders on the order book for anyone to take and gaining money from one person who buys your shares for $10 and from another who sells shares to you at $10.01. I think you have that backwards. If you always sell at $10 and buy at $10.01 you lose on every trade.