Would a cat(s) ear being tipped make it less likely for you to adopt?

No

Yes https://www.google.com/imgres?imgurl=http%3A%2F%2Fbarringtonpaw.org%2Fyahoo_site_admin%2Fassets%2Fimages%2Fear_tip.269223910_std.jpg&imgrefurl=http%3A%2F%2Fwww.barringtonpaw.org%2Fferal_cats&docid=9Eg7p-5e18f3dM&tbnid=afRJH4aZVYDy8M%3A&vet=10ahUKEwib8b6rn_rVAhUGyWMKHT2pANIQMwgoKAEwAQ..i&w=250&h=189&bih=647&biw=1371&q=Calico%20cat%20with%20ear%20tipped&ved=0ahUKEwib8b6rn_rVAhUGyWMKHT2pANIQMwgoKAEwAQ&iact=mrc&uact=8