The Harvard CAPS/Harris poll is one of the most comprehensive surveys being done currently. You might want to check out their extensive findings, some of which favor Republicans.
Actually, I saw little that outright surprised me. One very comforting finding, Americans are wisely more concerned about socialist tendencies of the Democrat's progressive wing than about the MAGA leanings of Trump's supporters (55 vs. 45%).
Wakeup call for elites: Majorities say neither Trump nor Biden should run in 2024, a rejection of gerontocracy. The data were collected during the first week of September.