Obstruction of Justice is obvious, sufficient, and already well-documented.
No doubt evidence of financial fraud, including violation of the Emoluments Clause of the Constitution, will come to light when investigators see his tax returns, and the records from Deutche Bank. Pretty good chance they will also find evidence of working for Russia and Saudi Arabia, for financial gain, as well.
Uncle Pennybags: Read part 2 of Mueller's report. Or at least read the summary: only about 10 pages. It's very clear.