The best license is the license that allows you to purchase vehicles from wholesale (dealer only) auctions and sell to the public such as to your family and friends.

You can refer with this link: https://oklahoma.gov/content/dam/ok/en/umvpc/documents/forms/motor-vehicle-industry-forms/Wholesale-Motor-Vehicle-Dealers-Application.pdf

Is there an Auto Broker license or endorsement? Yes! You can refer with this link: https://www.jwsuretybonds.com/states/oklahoma/auto-dealer-license

Any other license required like salesman license? Yes salesman license required. You can refer with this link: https://oklahoma.gov/content/dam/ok/en/umvpc/documents/forms/motor-vehicle-industry-forms/Used-Motor-Vehicle-Salespersons-Application.pdf

Office Space Requirement: The office must be a permanent room or building separate and apart from any other business. You're allowed to use a room in your home, as long as this room is not used for any other purpose. Dealers with all license types are also required to have a business sign and supply various pictures of the location to the OMVC.
Display Space Requirement: You can refer to this link: https://www.ok.gov/omvc/pdf/dealer_ia.pdf
Required Office Hours: You can refer to this link: https://oklahoma.gov/content/dam/ok/en/umvpc/documents/forms/motor-vehicle-industry-forms/Used-Motor-Vehicle-Dealers-Application.pdf
Pre-site Inspection or Zoning Certificate? You can refer to this link: https://oklahoma.gov/content/dam/ok/en/umvpc/documents/forms/motor-vehicle-industry-forms/Used-Motor-Vehicle-Dealers-Application.pdf

For help finding a startup location, go to www.dealerspace123.com

The first step is to take the Dealer Pre-License Training Class. You can refer to this link: https://oklahoma.gov/content/dam/ok/en/umvpc/documents/forms/motor-vehicle-industry-forms/Used-Motor-Vehicle-Dealers-Application.pdf

Link to preferred Pre-licensing educators: https://oklahoma.gov/content/dam/ok/en/umvpc/documents/forms/motor-vehicle-industry-forms/Used-Motor-Vehicle-Dealers-Application.pdf 

You can refer to this link: https://www.sos.ok.gov/business/fees.aspx

To apply for your Employer Identification Number (EIN), visit the IRS website. It's FREE to apply.

You may need these numbers: NAICS Code for Used Car Dealers 441120 and SIC Code 5521.

For help incorporating your business to sell cars, go to www.autodealerbschool.com/recs

To apply for a retail used car license, you are required to have a surety bond and garage liability insurance.

Here is a list of preferred providers www.autodealerbschool.com/recs

To apply for the retail license, you must complete all the requirements and submit a paper application.

For help submitting your application, join Drama Free Licensing VIP.
Click here for details: www.autodealerbschool.com/DFL

The board rules will have all the laws that govern auto dealers, you can find them at: https://oklahoma.gov/content/dam/ok/en/umvpc/documents/Title-765-UMVPC-Rules-and-Regulations.pdf