Pop-Up oxygen foam drinks stand

Event organizers, couples planning weddings, companies hosting parties and festival or market guests.

Selling drinks by the cup at public events, or charging a flat fee or per-guest price for private bookings.

• Drink creation and prep
• Customer service at speed
• Event planning and logistics
• Social media promotion

• Alcohol service at events usually needs a license or special event permit, and some states don't allow it without a licensed caterer or bar. Check before you plan any alcohol
• Temporary event and mobile food permits often differ by county and event, so check each time
• Check that any gas or foaming equipment is food-grade and allowed at venues, and avoid health claims about oxygen
• General liability insurance, which many events require proof of
• Transport and storage of equipment, ice and ingredients, so you may need a vehicle

Startup costs are typically estimated at around $3,000 to $15,000, depending on the portable bar setup, equipment and any vehicle you need. Monthly revenue is estimated at around $1,500 to $8,000, depending on how many events you book.

Alcohol service at events usually needs a license or special event permit, and some states don't allow it without a licensed caterer or bar, so check first. Temporary event and mobile food permits often differ by county and event, so check each time.

You need drink creation and prep skills, fast customer service, event logistics and social media promotion. Check that your foaming equipment is food-grade and allowed at venues, and get general liability insurance, which many events require. Plan on at least around 10 hours a week.