Top 10 Side Hustle Ideas That Work in Summer 2025

Here are the Top 10 Easy-to-Start Side Hustles this summer — plus trending products you can promote for extra affiliate income.

1. Mobile Cold Beverage Stand

Hot weather means high demand for iced drinks, smoothies, and lemonades. Set up at local events, parks, or beaches.

Startup cost: $100–$300

Estimated return: $50–$150/day

Get the   product here: Portable Drink Dispenser with Ice Core

2. Pool Cleaning Service

With backyard pools booming in popularity, homeowners need help keeping them clean and safe.

Startup cost: $200–$400

Estimated return: $30–$60/hour

Get the   product here: Deluxe Pool Cleaning Kit 

3. Airbnb Experience Host

Offer guided tours, cooking classes, or sunset photography sessions in your city. Airbnb takes care of the marketing.

Startup cost: Minimal

Estimated return: $40–$200 per session

Get the   product here: GoPro HERO12 Action Camera

4. Outdoor Fitness Classes

Capitalize on warm weather by offering boot camps, yoga, or dance sessions in parks.

Startup cost: $100–$250

Estimated return: $30–$80 per class

Get the   product here: Portable Bluetooth Speaker

5. Summer Pop-Up Boutique

Sell sunglasses, swimwear, and summer accessories at markets or festivals.

Startup cost: $300–$600

Estimated return: $100–$300/day

Get the   product here: Wholesale Sunglasses Packs

6. Mobile Car Detailing

Summer road trips mean more people want their cars looking sharp.

Startup cost: $250–$500

Estimated return: $50–$150 per job

Get the   product here: Cordless Car Vacuum Cleaner

7. Summer Event Photography

Special events spike in summer — weddings, reunions, and outdoor parties. Offer affordable photography packages.

Startup cost: $500–$1,500

Estimated return: $300–$1,000/event

Get the   product here: Canon EOS R50 Mirrorless Camera

8. Lawn Care & Landscaping

Simple mowing, trimming, and garden refresh services are in high demand.

Startup cost: $200–$600

Estimated return: $30–$70/hour

Get the   product here: Cordless Electric Lawn Mower

9. Ice Cream & Frozen Treat Cart

From popsicles to gourmet gelato, cold treats sell fast in hot weather.

Startup cost: $500–$1,200

Estimated return: $100–$250/day

Get the   product here: Portable Ice Cream Maker

10. Pet Sitting & Dog Walking

Many families travel in summer, leaving pets behind. Offer trustworthy, flexible care.

Startup cost: Minimal

Estimated return: $15–$40/hour

Get the   product here: Hands-Free Dog Leash for Running

Final Tips for Summer Side Hustle Success

- Leverage seasonal demand — Offer products/services people already want in hot weather.

- Keep overhead low — Start with basic gear and scale as you earn.

- Promote online — Use Facebook groups, Instagram, and local marketplaces to spread the word.