Just remember your just as likely to be the guy they force out. also, from 0-4 years you went from nothing that nobody believed in to probably $10-$50M company.

Also, it's the tech founders probably getting f'd.

the guy that used duck tape and bailing wire and everything else under the sun to hold all the crap together long enough to attract enough attention to make it work to the point you can actually have resources to start to do things right.

here's an alterative if you don't think they can make it don't start something with them. Don't use them until they don't have any value you to you anymore.