Hi @JH33,
The good news is that type of topic has been discussed in the past so if you havr some time to read more about it, here are other topics related:
- Best wheel size for Muni?
- Wheel size if you only could have just one?
- Mountain unicycle/muni for all-around riding?
- If you could only have one unicycle which size would you choose POLL
- Upgrading from trainer to muni-proper, looking for advice
(That is just a selection for about 1 year ago but there are slightly older threads that will givd you extra opinion to consider: Search results for 'muni size 24 order:latest' - Unicyclist.com)