I do financial modeling/consulting for startups seeking VC funding. The thing I would stress is having clear financial projections to present. No fancy BS. Show them know how you make money and projections for 5 years out. Also, when building your assumptions for said projections, make sure they are defendable to some degree. You can’t go up there and say my growth rate is going to be 25% year-over-year because I think that’s what we can do. Do your research so you can defend everything you’re telling them.