The trades as you go down to the less skilled labor - cleaning, handyman work, demo crews, etc it starts to get harder. 

It depends on your target demo...

Demo, cleanout, hauloff $ 5,700 Interior Paint $ 4,600 Vinyl Floors $ 7,200 Countertop & Backsplash $ 2,000 Full plumbing $ 6,500 Door replacements $ 3,000 Tub & surround $ 4,500 Cabinetry $ 4,500 Full electric $ 8,000 Roof repair $ 1,800 HVAC repair $ 4,000 Insulation $ 1,000 Sheetrock replacement $ 6,800 Plumbing fixtures $ 1,750 Window Replacement $ 7,800 Framing $ 9,000 Foundation Repair $ 2,000 Permits & inspections $ 3,000 GC Fee $ 8,500 Total $ 91,650

Learn whats in your houses and always be around for demo, the education is priceless. good luck

Parking (garages or just covered, etc), gates, design, finishes, one building or multiple, size of footprint of foundation, how many bathrooms, etc all play roles in pricing plus access, plans, permits, demo(if any).A market analysis by your real estate agent would help get your rental rate numbers so you can do a proforma on this project.

The permitting process can be complex, you can fail an asbestos test up front, if you demo the entire place you can find knob and tube electric (which means a full rewiring) etc….

By formally, I mean web research, calls with Sales, product demos, and free trial evaluations.

This range should get you someone with a truck and all the tools to do most any job minus some of the more expensive equipment you may have to rent like lifts, demo saws, etc. 

I got some demo bids and just had them quote me to demo and haul away 700 sq ft of tile.

Should I get my materials tested for asbestos prior to demo?