What to do with a 65 Valiant that won't sell

I'm thinking of stopping trying to sell my 65 Valiant after lots of calls but no sales even after lowering the price so far down I couldn't believe it. I know it's not a Barracuda or even a V8 2 Door Signet. But it would be nice brought back to what it was once. The coolest thing to me was that I was able to find out where it came from originally and originally sold. That was something I couldn't do on my 73 Charger because it had no record at Chrysler Historical because of the fire back years ago. My Valiant runs, although it's tired but wouldn't take much work to make it 100% mechanically sound to drive anywhere. It's low point is the floors. Heater core leak likely destroyed front floors. Someone fiberglassed the passenger so it's not like Flintstones but I'm sure if you kicked it hard enough it would be. Fortunately I bought some replacements when they were still available but I can't put them in because I can't cut and weld. I have a good mechanic but he said it's likely to be possibly up to $500 a side and maybe more. It needs a driver's front fender, front suspension rebuild, and a transmission park cable leak repaired. Which is another thing I cannot seem to fix. I can't even get a quote on fixing the transmission park cable link until it's looked at. The front end rebuild is probably around $500. So I'm trying to get suggestions if it's worth getting it roadworthy be taking care of the mechanical and then trying to resell it. I would have to take it to a shop so I would have to ask more to make it worth while. So when do you know when to give up or just keep fixing it a little at a time at leisure? My 73 Charger will likely be the next to go but haven't made it to that point yet.
Ever hear of 24 Hours of lemons?? Sounds like a perfect candidate...