Negotiator

You have honed the knack of the deal and counter-deal, perhaps by crossing words with Creatures accustomed to getting the upper hand in any negotiation. You gain the following benefits. Increase your Charisma score by 1, to a maximum of 20.
When you try to persuade a creature to engage in a course of action or to change its attitude with a Charisma (Persuasion) check and fail, you can retry the check on your next turn with disadvantage.
When you purchase a good or service, you can make a Charisma (Persuasion) check opposed by the seller’s Wisdom (Insight). If you win the contest, you secure a 10 percent discount on the transaction. Once you use this feature on a given individual, you can’t use it on them again for one week.
During downtime, when you pay for lifestyle Expenses, they are halved.