You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
I remember last August, I offered for sale a 3-month-old 2018 S100D, less than 4K miles, for $74K, and there were no takers. Some people said I priced too high.
I think the Tesla trade-in quotes are actually realistic. Tesla gave me $72.8K then. I wonder what you got from Tesla. $62K or so?