Hello,
1. Please provide screenshot and link to the page.
3. http://prntscr.com/ghoanz
4. http://prntscr.com/ghob6d
B. http://prntscr.com/ghod11
C. Related products set automatically by similar categories and tag, but you may set http://prntscr.com/ghoe4k
D. http://prntscr.com/ghoers
1. Please provide screenshot where exactly do you want to add cards logos?
2. http://prntscr.com/ghog3w
Regards