If “get things done” means “put casinos into bankruptcy” or “inherit a fortune from my daddy”, sure.
If you can’t see the successful Trump towers in Manhattan, Chicago, and Vegas, just to name a few of the thousands of big solid things that Trump has accimplished, then your eyes are wide shut.
By attacking Trump’s inability to get things done in the context of him saying Cruz gets nothing done in the Senate, looks like you’re conceding Trump’s point about Cruz.
Don’t forget donating upwards of six figures to various arms of the Clinton family crime syndicate. Big accomplishment there - I don’t think the Clintons can get many uncloseted democrats to do that much.