Can't this be crowdsourced in some way? Having each individual entity reinvent the same wheel feels like the main problem to me. What if there was a marketplace? The ability to buy / trade / sell? Maybe subscription based in some way?
If I wanted to scrape 100 sites, it might be worth $1 per year per site. Those who put in the time make money. Those who don't have the time would pay.
This isn't a technology issue per se. It's scaling a solution to the final gap the technology can't cover. A different kind of mechanical turk?