Sorry for not clarifying, i used opening lines. Sites - whole point was not arbitrage but picking only one side of arbitrage which is expected to be more profit

Sorry for not clarifying, i used opening lines. Sites - whole point was not arbitrage but picking only one side of arbitrage which is expected to be more profitable. Also, it was a cloud solution which resulted in very low scraping delays. Anyways, it didn't work, and i learned it the hard way.