Well yeah most polls still have 15-20% ish undecided voters from what I've seen and even decided voters will change opinions I mean it's almost a year left until election day.
But as with all US presidential elections swing states and independents will most likely decide it.
Edit - I completely missread your post heh I’ll keep my previous statement though since its still semi-relevant but yeah I’m not discounting Trump atm I think his chances of winning are actually pretty good unfortunaley.