Chem-Springer

A Chem-Springer is skilled at brewing all manner of sly and dangerous concoctions. They brew many of the substances passed about in the understreets and are notoriously difficult to pin down.

Additional Proficiency

You gain proficiency in Alchemist's Supplies. If you already have this proficiency, you may gain proficiency with any other tool.

Cheap and Nasty

When you choose this archetype at 3rd level, you can brew concoctions more easily. You require half the GP amount of materials for items crafted using your Alchemist's tools and can make up to two items per long rest. In addition, you gain a number of options for things you can craft: 

You are also able to add your proficiency bonus on attack rolls made with vials and half your proficiency bonus to DCs of vials, spark powder, caltrops, and other equipment (discuss with your DM if in doubt).

Crowd Weaver

Starting at 9th level, when you take the Disengage or Dash actions, you gain the benefits of both.

Shrewd Haggler

By 13th level, you have experienced extorting customers and have a keen understanding of the worth of components. You have proficiency with Persuasion when haggling. If you already have proficiency, you gain expertise.

Streetwise Resourcefulness

When you reach 17th level, you are skilled at brewing chemicals on the fly. You can use a bonus action to make an uncommon or lower rarity item with your alchemist's tools. Additionally, you may choose to take an additional bonus action on your turn. You may only do this one per long or short rest.