1. Due to inflation, the financial outlay involved in purchasing the Thing will seem ridiculously tiny when you look back on it a few decades hence.
2. That Thing will bring you joy, which surely only the greyest and most solemn bureaucratic ranks would put a monetary value on.
3. That Thing looks a little sad where it is and you could probably give it a better life.
4. You probably will eventually so why not do it now?
5. It’s not every day that a Thing comes up for sale. If you don’t get that Thing now then you may never get the chance again.
6. Just look at that Thing’s little tentacle finger bits, aren’t they adorable?
7. Also by purchasing that Thing you may just be saving the casts of the 1982 and 2011 The Thing movies from a terrible fate.