We've had our Ethos 20T Li for about a year. It's our first RV. It's been mostly great but one big problem has been the sliding windows and screens. 2 out of 4 have broken. I sort of fixed one but I didn't line it up exactly right and there's a gap at the top of the screen when it opens so it lets bugs in. <br/><br/>The other is on the sliding door and was like that from the...