I think I hear a Master Card Commercial Brewing.....
1990 Travel Trailer....... $1000
Plumbing Repairs to an 18 year old trailer....$$$$$$
Memories with our Sunline.....Priceless
Your list of leaks does lend itself to winterization issues. The traps, the valves, the tanks and drain lines are all areas that can and do hold water and freeze. They are tighter areas where there is no room for expansion and the plastic cracks.
Make sure you re-check your traps under the sinks frequently as they are known to vibrate loose.
Frontiertown is one of our stops this year, 18 - 20 July. We stayed there last fall and my son wants to do his birthday at the Western Theme Park this year.
2004 Dodge Ram 2500 Club Cab 4x4 CTD
2007 Sunline Solaris T-276-SR: Misty Blue/Cherry
2001 Dodge Ram 1500 Reg Cab 4x4 OFF-ROAD