What to do with my website

So i have 2 MNS that get at least 80 searches a day, low competition, and i have the exact domain name for them.

I have them at #10 on google's first page. But they are both with a crappy host. I am not sure i want to transfer it to another registrar as I'm still within the time limit where i can cancel that hosting so i don't have to pay.

So my dilema should i just "give up" on these websites and consider it a bad mistake or should i try to sell it somewhere? They get 100% organic traffic and each has 30+ backlinks, pure whitehat, few adsense clicks.

Flippa has $19 fee just to list so it would be loosing me money if i didn't sell the first time around. Any suggestions?

(Note: I could move them to a new hosting,registrar but that would cost me money do you think it's worth it? #3-9 are all amazon,nexttag,gap shopping sites and I SHOULD outrank them after a few months if i continue backlinking to my site right? )

Yes, you should keep them.

Keep them, do a little upkeep from time to time, and focus in other things

One day you will realize that your sites are old and very good to start working at them again

so do you think it's worth to transfer to another registrar?

I am kind of lost why you need to transfer your register... all you need to do is backup your site and move it to another host.