Realistically how big of a factor is age? I understand that application review is holistic and all that but with all things equal, would a 30 year old candidate be at a disadvantage compared to a 28 year old(or even younger)?

I got accepted at Tuck without scholarship and scholarship is very important for me so I’m wondering if I should wait a year and apply to other schools again as a reapplicant (I had applied to schools in T15) and improve my GMAT score (was 720 with the older version)? Only thing I’m worried is that would mean I’ll be 30 when I start school. So not sure if I’ll be at a disadvantage at that point.