According to the Athletic, here are the NIL budgets of all the teams in the sweet 16 this year, even VCU and SLU would need to double their NIL budgets to compete:
Duke $25.247M
Illinois $18.970M
UConn $18.906M
Michigan State $17.106M
St. John's $16.650M
Arizona $16.317M
Michigan $15.739M
Alabama $15.327M
Texas $15.116M
Arkansas $15.025M
Tennessee $14.123M
Purdue $12.906M
Houston $12.552M
Nebraska $12.206M
Iowa $11.425M
Iowa State $9.808M
Duke $25.247M
UConn $18.906M
Michigan State $17.106M
St. John's $16.650M
Arizona $16.317M
Alabama $15.327M
Arkansas $15.025M
Tennessee $14.123M
Purdue $12.906M
Houston $12.552M
Nebraska $12.206M
Iowa State $9.808M