Grouping this year has no impact; read my previous response.
Additionally, I would not group prematurely as what if something occurred in 2021 and you didn't want to have that election in place? If you make the election in 2020, as noted previously, it is not easy to revoke the election. Just make the election in the appropriate year (2021 based on current facts) to make sure it is appropriate and what you want.
You can still have active participation without being a real estate professional. See the attached to make sure you qualify and the phase-out based on income level:
https://www.irs.gov/publications/p925#en_US_2020_publink1000104573
*A reminder that posts in a forum such as this do not constitute tax advice.
Also keep in mind the date of replies, as tax law changes.
