- Make it easy for them to get the backfile, and charge them a lot for fresh data (somehow startups are inclined to do this backwards. They need a few years of data before they even know it's useful, but they can't trade without recent data. Charge them accordingly)
- It's too hard to negotiate exclusives, but you can make them bid on exclusive access to delays. One second, minute, hour, week, etc. it doesn't need to be complicated but neither should you leave money on the table with too simple pricing