BBA/MBA program Undergrad combined with MBA? Worth it?

Why do you want an MBA? If it is to "check the box" then this would probably work. But know that you only have one shot at an MBA, and if you want an MBA-level job this would not be the time to get the degree. I would finish undergrad, go to work, and then after a few years apply to more established MBA programs that require work experience.

I wouldn't bother. Students who get an MBA immediately after undergrad usually struggle in recruiting against their more experienced peers. Add that struggle to the decreased marketability of an MBA program without a strong reputation, and there's really no point. If you think you want to do an MBA, wait until you have some work experience and have a better handle on what you want from your career; then your MBA will be an asset that helps drive your career forward, as opposed to letters that no one cares about on a resume

Only worth it at Wharton (no other Top 10/15 MBA offers a BBA/MBA, although some do have early entry programs e.g. Silver Scholars at Yale).

usually they're worthless MBAs because they don't require enough to be competitive, they give teasers to reduce your MBA requirement to "graduate faster", and your school's MBA program revenues are slammed by MOOC courses or other online MBA gigs. honestly if you aren't sure about MBA now, it doesn't hurt to come back later.

and the list of schools, in which MBA is worthwhile, is very few. M7 MBA median salaries are at about $120k, what does it say for your school's employment report? unless you can find your school among top 10-15 in US/global MBA rankings, it'll be a tough argument to say Yes.