Down side is that 24" necks are no-where near as common as the 25" ones.
I have a few on my watch-list. Not cheap but (I'm afraid to look) damned sight cheaper than Warmoth.
I'm tempted to at least replace my current 'engineered rosewood' neck with either real rosewood or a maple one.
https://www.ebay.com.au/itm/24inch-G...d/193638592995
https://www.ebay.com.au/itm/unfinish...e/193772003573
https://www.ebay.com.au/itm/24inch-G...r/402139430225
https://www.ebay.com.au/itm/24inch-G...t/203219501868
cheers, Mark