We found plenty of party favors for adults that guests will love! Choose from homemade treats, drink gifts and thoughtful tokens. If you’re planning a birthday party, whether for yourself, a ...

Sip Hip Hooray Custom Birthday Frosted Cups ($39) These cups, which come in packs of 15 for $39, don't just have to be for your next birthday party; they can be a hit for any summer event.

Buy cake baking and decorating equipment. One of the biggest expenses in starting a home-based birthday cake business will be for supplies such as cake pans, a professional mixer and icing tips.