The transportation industry has big advantages in consideration to properties, first,  lower investment. The initial investment in the transport industry consists in the creation of an American society, getting permits for the carrier, buying a truck and a trailer and get permits for 48 states of the union. All this is roughly 50% less than the average house price in the city of Miami Florida, for renting or leasing. Second, profitability or return of the investment is higher, while the properties return is around 10% or 12% annually (being optimistic) in transportation we are talking about a 90% annual return.  The economic crisis affect much less the transport area than the properties. Also, think about what you always said "Diversify Investments". Do not put all your eggs in one basket. For more information please check our comparison box of Transport vs Properties "Transport vs Real Estate".