IMPORTANT (CHAPTER 6): THE VETERAN (HAMISH SINCLARE) STRANGER MISSION IS DONE UNTIL THE LAST MISSION, WHERE YOU GET A UNIQUE HORSE "BUELL". I RECOMMEND YOU DO THAT ONE AS JOHN IN THE EPILOGUE SO YOU CAN ACTUALLY KEEP "BUELL".

These saves have:
Legend of the East outfit (comes with lots of bonuses and is suitable for all weather types which is super useful)
Legend of the East satchel (gives you space for 99 items of any kind)
100K money + 25 gold bars from treasures
10K camp money
99 provisions and tonics for Arthur and the horse as well
Best horse Rose Grey Arabian with best saddle, max bonding/health/stamina/acceleration/speed, named Llamrei after King Arthur's mare
Entire map revealed
Maximum progress reached on 100% checklist
Maximum compendium discovered
Maximum cores for both Arthur and the horse
Maximum honor (with all good honor choices picked)
Every point of interest is found
Every item is crafted by the trapper
Every outfit and clothing item is purchased
Every weapon is purchased and upgraded
Every unique item/weapon is collected
Every camp upgrade is done (including the cosmetic ones)
Every stranger mission is completed
Every bounty mission is completed
Every camp companion mission is completed
Every treasure is collected
Every talisman and trinket is crafted/collected
Every legendary animal is hunted
Every legendary fish is caught, sent and the rewards are collected
Every exotics mission is done and the rewards are collected
Every cigarette card set is completed, sent and the rewards are collected
Every rock carving location is found, sent and the rewards are collected
Every dinosaur bone location is found, sent and the rewards are collected
Every dreamcatcher is found and the reward is collected

All of this was possible with the help of:
FANDOM.COM missable content list - https://reddead.fandom.com/wiki/Missable_Content_in_Redemption_2
Unofficial Map for RDR2 - An app by Digitech Apps which shows location of everything imaginable and made my life easier
Lenny's Simple Trainer - https://www.mod-rdr.com/files/file/7-lennys-simple-trainer/
Red Dead Redemption 2 Save Editor - https://www.nexusmods.com/reddeadredemption2/mods/55 (Used it only for money, gold medals, rose grey arabian and challenges to get the Legend of the East outfit because it's practically impossible to get it as Arthur)
Otherwise there were no mods used in this save