How to build a higher-tiered character in Numenera?

There are three issues that I don’t really understand in building a character in Numenera that is greater that 1st tier.

  1. I understand that cyphers are limited by type and there are means to raise that limit. What are all the ways you can raise your cypher limits and do they include leveling up?

  2. Is there a limit to how many artifacts one can carry?

  3. In D&D & Pathfinder, magic items and character wealth have scales, tables and overall, direction when leveling up but I’ve found no direction in Numenera or Cypher System. So, with a Tier 3 character for example, how would I devise how to assign equipment, assess character wealth, and grant artifacts?