Can take a hand truck on the ferry

Probably, I've seen people with wheeled luggage. Call and confirm. 1(888)44FERRY

Yes you can

Yes , as well you can bring your car too , but don't know how much they for car .

I dont see why not, there are bushes, vans and tractor trailers on board.... znd walk on people... but I would call ahead and ask the question before booking my passage... Hope this helps...