Check out other online guides available here: https://www.biggerpockets.com/guides3.

Another issue is the gas station includes a liquor store so opening a new company to buy out business would mean losing the age of liquor license which may be beneficial in the future if they pass a law on permitting more liquor licenses to existing holders. 

Wanted to start a thread and hopefully gain some insight into folks who have purchased automotive dealership lot/store fronts and leased them out? 

Now, if real estate is something you do want to do, that's a different store.

Unfortunately, ESA (Emotional Support Animal) letters are tricky, especially with how easy they are to get online.

Build your knowledge base through books, podcasts, and online communities.

Is it customary that they have their process displayed online or in a pricing guide so I can shop around?

You can also check their reviews online at Google, Facebook, or Yelp.

Is there any online services/tools where I can do the above DIY?

The way I do it is go to the property records for the county online find the owner's info and then Google search their phone number.