Complete one form at a time to keep the number of fields limited per form. What makes this idea different than Multi-Page Forms with Actions is that action-processing between form pages is not needed.
Phase 1 planned for October 2020 release
We're planning for new capabilities in the October 2020 release that you could consider Phase 1 of this solution. Learn more here:https://community.pushbot.com/discussion/1437/october-2020-release-preview/p1?new=1