LOW RENTAL RATES
Yes, you can stay in some timeshares for les than the cost of owning them same timeshare, particularly if you purchase from the developer. When you purchase from a legitimate reseller, I can almost guarantee you that you will save money over renting.
If you like to rent, then by all means, continue to rent. Basic Timeshare 101 people. If you like to own your vacation, vacation in nicer places than before, have something to hand down to future generations, have more control over your vacations, timeshare is the way to go.