For starters it will take hours of hours of hours of recipie crafting and work orders.
In addition Armorsmithing can esily cost an extreme amount of Kinah pumped into it to raise it to a decent level for when it becomes profitable.
Although selling armor for around the mid level 20 region is a good starting point for when players start venturing into the Abyss, the real business opportunities will open up at end game.
'Forge or Spaceship?'
In addition it will be necessary to gather more crafting material. This cane take a huge amount of time since many Unique and Legendary items use between ten and fifty materials each.
It is possible to find what you need straight off the market but this will cost alot of money, at times an extreme amount of money.
Once you have gathered all the items you need it is time to use Divine Power to try and proc. higher level armor out of your gathered recipes. This process can be very hit or miss, so it is advised to be at level 450 Armorsmithing already as this way you will minimize waste.
'Work Work Work'
In the end, being a well known Armorsmith on your server can lead you down the path of fame and riches, but patience and diligence in your work will always play a key factor.