It was researched, but deemed uneconomical. https://www.reddit.com/r/SpaceXLounge/comments/mpam1a/why_nobody_before_spacex_landed_rocket_boosters/ https://www.

It was researched, but deemed uneconomical. https://www.reddit.com/r/SpaceXLounge/comments/mpam1a/why_nobody_before_spacex_landed_rocket_boosters/ https://www.reddit.com/r/SpaceXLounge/comments/mpam1a/why_no... It still may very well be. As far as we know SpaceX is burning money not earning it. Falcon Heavy and Falcon 9 are very nice rockets. If you go by data provided by SpaceX cheaper than competition.