Reddit mentions of Levolor 13315 Tension Rod, 28-to-48-Inch Width, 7/16-Inch Diameter, White

I use a super cheap tension curtain rod that adjusts to fit any space anywhere- like this.

I set it up high between a bookcase and a wall where cats can't get to it- it stores anywhere when not in use.

I'm sorry if this is long, but

Tarps! If you're going to be in a hot area, you'll quickly find which areas of your RV will heat up the most. If you put tarps in strategic places around the outside of your RV, you can create shade and prevent it from heating up, which means not having to run the AC all the time.

If you can afford it, get a dehumidifier machine and put it in a dedicated spot! I live in a stationary 5th wheel and it gets super humid in here sometimes. If not, they sell these damp rid buckets that you can use for a while before you need to replace 'em--they work pretty well for the most part, but I think a dehumidifier would work best.

You may want to replace the locks on all your storage bay thingies (the ones that open from the outside), those use a stock key most people who own rvs have. To save on propane, you can get a little toaster oven with two burners! or just some standalone hotplates!

Make sure your toilet paper is septic safe (doesn't have to be RV specific! I use Charmin or the walmart version) and that you keep your black water tank

• Partially full of water all the time (like 1/4 the way full) so stuff breaks down properly and you don't get TP clogs
  
• The draining valve never gets left open even if you're permanently hosed into a sewer connection! This causes baaad clogs that are gross and hard to get rid of.
  
• You should use the sewage tank treatment stuff so it doesn't get stinky and everything breaks down properly so you can dump the tank with ease! Definitely get these or something similar in large amounts and probably when you buy your toilet paper. They sell this stuff at Walmart!
  
  Optionaly:
  
• You can replace your bathroom vent so sewage gas doesn't get blown back into your RV in windy conditions. That is not fun!
  
  These kind of tension rods can be used for anything from storing pot and pan lids, to making a little makeshift towel rod in the bathroom or shower.
  
  I recommend finding a good but decently large dish rack to dry dishes on that fits near your sink. I had a hard time finding one that fit so I got two small ones instead! They both sit in both/either sides of my kitchen sink so when I'm done with dishes, they actually don't take up counter space.
  
  Good luck! It's interesting to live in a 5th wheel for sure!

Nothing much else to say, other than providing a link:

http://www.amazon.com/gp/aw/d/B00004Z0IX/ref=mp_s_a_1_2?qid=1453871170&sr=8-2&pi=SY200_QL40&keywords=spring+loaded+curtain+rods&dpPl=1&dpID=31YDMX4BYJL&ref=plSrch