didn't we see this with NM98 where that book got so big that it brought up other books with it (X-Force 2, Deadpool Circle Chase etc)
I suspect with Harley, #1, Mad Love and others will go up in value.
If I had any of these books, the time to post would be now or wait till casting is officially confirmed.
All 3 books have always been sought after. Her early appearances are harder to find than Deadpool. X-Force #2 vs. Bat/Harley #1? What other Deadpool books have been sought after that are not ridiculously low variants that cost $50 when released?