When you sell property quickly used for rental, do the buyers have to honor the leases?  Is their a form of sale and lease back agreement that they need to adhere to?

Is it true most of the houses repossessed in the US are being bought up by British property buyers?  I have heard that this is a new phenominen.

What should you do if the personal property tax office for a state you no longer reside in is seeking you for payment on personal property for real estate that was sold several years ago?

Is there a statute of limitations on the sale of real estate? If the proper papers were never recorded, does this mean the property is still owned by the original owners? Can the property be taken back by the seller, if all owed back taxes were paid up? Where can I get information on this and other isseus regarding private property sale?