Lets start with nepotism. That's not kosher according to US rules.No, no, and none.
The onus is on you to prove the allegations, not the other way around
Then you could continue with Trump not absolving himself from his businesses.
Those are known to be true.
You could also look at Trump's profit making while elected.
Or you could also look at the incredibly serious allegations being investigated by the FBI right now, in which his staff has already confessed to crimes.
None of those are just 'allegations'.