I wonder if you could run a pharma company that buys IP for failed cancer treatments and runs small trials in rare diseases. you have the advantage of having passed Phase I/II usually, so you know it's decently safe, and oncology hits a lot of diverse targets.

there are some examples, for instance enzastaurin being repurposed for vascular EDS, after washing out as an angiogenesis inhibitor for cancer. I don't know if it makes sense mechanistically, I sure hope it does.