All 3 business models you mention (wholesaling, flipping, buy & hold) require that you know how to 1) determine value (after repairs), 2) estimate rehab, 3) evaluate a deal from the standpoint of a flipper or buy/hold investor (the customers of wholesalers).  

What items or hacks do you like that reduce costs and force appreciation?

We helped one of our students with a project built entirely with shipping containers, but you can substitute any type of mobile storage unit you would like into this business model:  check it out:    www.willowcreekselfstorage.comThe revenue generated at this facility vs. the cost/sf of acquisition would make your head spin! 

Does the board handle items quickly and consistently?  

And I am a Lowe's employee and get great deals on home improvement items.

If you want to create and scale a business, than set up an LLC (or other entity structure appropriate to your business model) and then actually run it like a business and don't cut corners.

I am also cute plating what differences will i need to consider in my business model, such as quarterly inspection system?

I would say gather your team if you haven't and really consider your business model.

. -- "Provide real estate brokerage services" means to engage in any of the following activities: (1) for consideration, providing any of the following services for another person: (i) selling, buying, exchanging, or leasing any real estate; or (ii) collecting rent for the use of any real estate; (2) for consideration, assisting another person to locate or obtain for purchase or lease any residential real estate; (3) engaging regularly in a business of dealing in real estate or leases or options on real estate; (4) engaging in a business the primary purpose of which is promoting the sale of real estate through a listing in a publication issued primarily for the promotion of real estate sales; (5) engaging in a business that subdivides land that is located in any state and sells the divided lots; or (6) for consideration, serving as a consultant regarding any activity set forth in items (1) through (5) of this subsection.

It is better to stick to your favorite business model