Analysis of information sources in references of the Wikipedia article "Secondary payload" in English language version.
SpaceX ... developed prices for flying those secondary payloads ... A P-POD would cost between $200,000 and $325,000 for missions to LEO, or $350,000 to $575,000 for missions to geosynchronous transfer orbit (GTO). An ESPA-class satellite weighing up to 180 kilograms would cost $4–5 million for LEO missions and $7–9 million for GTO missions, he said.
[Q: Are you doing a lot of secondary payloads?] not a lot, we are doing a few. There is still not a lot of money in the secondary payload market.
[Q: Are you doing a lot of secondary payloads?] not a lot, we are doing a few. There is still not a lot of money in the secondary payload market.