Original Message:
You should search the internet for these questions (by John I.):
Here are 2 internet resources which have enlightening information about PTC. Best to stay far, far away.
http://private-travel-corporation.blogspot.com/2015/09/private-travel-corporation-scam.html
http://www.insidethegate.com/gatehouse/2015/04/mexico-timeshare-fraud-april-11-2015/#sthash.JcM1pzXb.yJ20ScQO.dpbs
Read both articles in their entirety, and you will know what I mean.