What is your state of residence?
What do you mean by “you have no cost constraints?” Your family is very wealthy and will have no problem paying a quarter million dollars over 4 years? Or, you are low-income and expect to apply to full-need schools?
And most importantly, do your parents agree that there are “no cost constraints”?
If your goal is medical school, then you need to be sure that you will have virtually no debt after undergrad.