There is a bitter fact about making use of arbitrage things, are you sure how effective your tools will be?
Price gaps are short living. Only profitable to early finders. So, if you sell your tool to some 100 traders, only 2 or 3 may get profits.
If a whale find the gap in price levels across exchanges, I am sure only that whale could make use of that arbitrage opportunity.
Simply, arbitrage opportunity is based on TIME and VOLUME unlike spotting a trend which works for all the traders who find and join. So, if your tools works perfect to spot a price gap, almost 90% of your subscriber will blame you for INEFFICIENT SIGNAL as the more they take to trade, the faster the prices to converge.
After all this, some or more exchanges are not processing withdraw instantly. They do batch processing withdraws for security and cost effective reasons. Even USDT kind of things are available in support of arbitrage trading unlike what we had some 5 or 7 years back, there could be only 50% chances to remain effective when we are moving assets across exchanges. People are sharing like they do keep funds on more than one exchanges to get rid off withdraw delays but not sure about their ROI with respect to all the combined funds across multiple exchanges.