How do i report 1099misc for incidental rental income of timeshare/resort fractional ownership? rented for 5 days and personal use for 20 days or so?

Report it as Other income. If you only rented it put for 5 days in a year, you won't be able to deduct your expenses and you don't need  Schedule E, supplemental income.  

To enter a 1099-MISC in TurboTax:

1. Open or continue your return, if you're not already in it.
2. Search for 1099-misc and select the Jump-to link.
3. Answer Yes to Did you get a 1099-MISC? If you already entered a 1099-MISC, you'll be on the 1099-MISC Summary screen, in which case select Add Another 1099-MISC.
4. Enter the info from your form into the corresponding boxes. If you need to enter boxes 4–6 or 8–17, check My form has other info in boxes 1–17 to expand the form.