Indoor Sports Complex
Build or convert a large metal building (5,000+ sq ft) into an indoor sports facility for soccer, basketball, or other sports. Charge hourly or per-session rates for teams and leagues. Can also host birthday parties and events. Works well in areas with youth sports demand.
Startup Budget
$100K – $500K
Difficulty
Advanced
Business Type
Offline
Location
Suburban
Time Commitment
Full-time
Revenue Potential
$200K-$1M+/year
Skills Needed
Watch the Full Breakdown
Watch on YouTube — Chris Koerner
Related Offline Advanced Ideas
Ductwork Replacement & Installation
Replace and install new ductwork for residential and commercial properties, including new builds, adding returns, and full system replacements. Tickets range from $10,000-$15,000+. A natural progression from starting with duct cleaning, with high margins since few people want to do the work.
$40k-100k+/month
Drive a Tank Experience
Offer customers the experience of driving military tanks, crushing cars, and shooting machine guns. DriveTanks.com in Minnesota charges premium prices for packages. A tank costs around $50K to acquire.
$500K-$2M/year
Heavy Equipment Experience for Kids
Set up a location near malls where kids can operate real heavy equipment (excavators, skid steers) in a controlled environment. A Houston-area operation nets over $1M/year per location.
$1M+/year net per location
RV Park Acquisition and Operation
Buy existing RV parks in the $2-10 million range near destinations like state/national parks, lakes, or universities. Operate them with a hybrid model of short-term nightly stays ($60-90/night) and long-term monthly tenants ($600-1100/month), targeting 8-10% preferred returns and 25%+ IRR over a 3-5 year hold period.
$10000-80000/month