well, the base is 85,000cr but not sure about the rest so i,ll send the rest soon!
You simply have to reach the appropriate ranks. The Elite armor does not cost any extra cR.
you have to get to rank comander and they cost 40,000 Cr each
Rank of general and 270000 credits
Yes you can get both the mark V and mark IV. But they are gonna cost you the motherload.
The best way to increase Ezio's health is to buy armor from blacksmiths. There are 5 armors in the base game and each have different tiers meaning the higher quality armor increases Ezio health more than the lower quality armor. Below I have listed all the armors and when they become available. (Weakest to Strongest) Roman Armor - Full Set available after Sequence 05 - Total Cost 5500 florins Rondelle Armor - Full Set available after sequence 06 - Total Cost 17100 florins Plate Armor - Full Set available after sequence 07 - Total Cost 31600 florins Suesenhofer Armor - Full Set available after sequence 07 and completion of the shop quest "Exotica" - Total Cost 23200 florins Armor of Brutus - Full Set available after completion of all 6 Lairs of Romulus - Total Cost 0 florins (completely free if you don't mind dungeon crawling)
Armor cost a lot of money to have it made!
It is $80-$800 for civilian armor. Obviously it depends on the quality of the armor
It does cost money to repair armor on DeadFrontier unless if you are an engineer yourself, if thats the case you can repair the armor yourself.
The Suggestion Shop, although most of the armor cost ACs.