I have three classic/collector cars covered the the National Corvette Museum. I don't recall who the underwritter is. Excellent coverage at great rates. Call Adam Boca and he can provide answeres.
The website is http://www.ncminsurance.com/
I have this - uses a hand pump or a compressor.
http://www.costco.com/Browse/Product.aspx?Prodid=11497534&whse=BC&Ne=4000000&eCat=BC|3960|21277|87421&N=4040856&Mo=6&pos=4&No=3&Nr=P_CatalogName:BC&cat=87421&Ns=P_Price|1||P_SignDesc1&lang=en-US&Sp=C&ec=BC-EC22577-Cat21277&topnav=
I have a BYB lift and the casters. I do use them once in a while to move it. The casters are cantilevered so that when the cross arms drop they push the columns up to clear the floor. I don't think you can do the same thing with a furniture dolly.