Why pay if you can stay for free. If you dont have a AMEX SPG or Hilton CC apply via the promos for the 25k or 50k in pts. That should be enough for a free night at most SPG or HH hotels in Manny. then again most of them are at best a 2 1/2 *
Most Marriotts in Manny are over a Cat4 and a MR CC gets you only a Cat 1-4 when you get their CC. But plenty of Hotels in NJ a Path Train away that should be Cat4 or less. A couple of Fairfields by LGA are Cat 3.
before applying for any CC make sure you find Free stays available when you want it