In 2007, Miller purchased an isolated 16 hectare property at Wilkesdale, Australia.

Miller purchased the property which was part of Rancho Yajome in Napa Valley in the year 1869.

This extra cash helped Miller purchase his first rolls of 16 mm movie film, jump-starting his motion picture career.

A little more than a year later Miller purchased the remaining 50 percent of the franchise, promising a rosy future.

In 1969, the Millers, a branch of the Broome family which has farmed Rancho Guadalasca since 1871, purchased the property.

Miller purchased the Barony of Montgomerieston and built a Gothic style residence for himself using the tower of St John's church as it's centrepiece.

In the early-1970s, the Millers purchased a vineyard in Napa Valley, California.

Miller purchased the residence in 1977, and his past housemates have included former Representatives Marty Russo, Leon Panetta and Sam Gejdenson.

Miller was one of the founders of Flying Tigers Airlines and purchased US Airlines in 1951.