FirstSource and have them price you materials for one of their pre-built designs.   

My advice for you (and my future self) so far is:- be very detailed about underwriting your deal- add at least 30% to what you think your rehab will cost (even if this figure came from a GC)- have a really detailed design concept before work starts (including fixtures/trim/color scheme/etc)- check with your city/township's building department and see what permits you need up front- have more than one exit strategy- add a few weeks/months to your projected timeline- purchase cash if at all possible- build relationships, take notes, and learn lessons along the way- have funGood luck! 

Here’s a quick breakdown based on my experience:Building new construction gives you full control over the design and materials, allowing you to incorporate the latest energy-efficient systems.

We also have absolutely insane tenancy laws designed to protect tenants and make landlords' lives difficult.

@Madhuri Gupta - I recommend going to the BiggerPockets Search Icon (Magnifying Glass) and type in "Flipsystem". 

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

Still on my radar, although I may stick to slab/stick built basic build designs.

Anyone here have any experience or background in fitness center design?

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.