Yea ive seen the 91 cargo covers sell for $400+ the grey ones, 91's had a grey interior. But yea check ebay they sell for a ton, mine sold for $300 in 2 days.
The fan shroud i found on the 81 cherokee in mint condition, they sell for $250-300 on ebay. I already have 3 watchers and 50 views in a day. The drip rails i know sell for 200$ or so, the spoiler on the 81 cherokee in my pic.. I sold last night for $200.
Basically i spent $40 on this Jeep, and with the parts i got i have $1200 in parts on ebay. The center arm rest was mint and ive sold em for $100 easy, the cargo carpet was mint and they sell for $100. I got the regulator and motor for the rear window i sell them all the time for $170-200, i just sold this one for $140 locally guys picking it up thursday.
Found an 88 like 2-3 weeks ago and i got about $800 in parts on that one. My ebay seller dashboard. Since April 1 2017 to today 2018, ive sold 6,084$ in wagoneer and ZJ grand Cherokee parts