Oakland A's agree to purchase land near Las Vegas Strip
The A's aren't going to spend until 2027 as a lame duck in Oakland. They'll move after this season, buy the old AAA stadium or play in the AAA stadium of the current Vegas team, because the Blue Jays normalized for MLB upgrading a AAA park for a season plus and it'll be better for 3 years than having them in a limbo market where people will eventually stop coming more than they already have.
Cashman Field, the old AAA park is also empty being occupied by the XFL right now and would be an easy place to retrofit for cheap and play out of it, certainly cheaper than playing at Allegiant (which surely could be awkardly retrofit for baseball)