I let a few of my colleagues look over the contact and one is saying not to go through with it because it seems fictitious.

Another term for it is a "fictitious name" which we use for our management company "333 Rent" because that's our phone number so it's easy to remember.

One of the properties included a liquor store business that conveys and requires me to purchase the licence and inventory separately.

In 2017 I got my North Carolina General Contractors licence and partnered up with my parents to build my first investment property.

If its done via an entity, then the licencing is required.  

Mobile home parks are not licenced/zoned for tiny homes.

Nobody beats the game by breaking the rules.the big time wholesalers that i worked with in Orlando and i mean a true 5 deals a WEEK they were licenced brokerages.. the major wholesaler in oregon are licensed.   

Some licence contractor/local plumber (have sticky fingers).

Do they need to be licenced?

I got my RE licence at 18 and interned at a property management company/ realty company.