An idea's value comes from its execution. I couldn't possibly execute on all my startup ideas, which is why I'm sharing them here. I'd love to watch the good ones come to fruition.
Buying cars secondhand can be time-consuming and scary. No one wants to buy a lemon, but taking every car you want to look at to a mechanic can be a hassle.
Industries don't have a common place to come together to discuss their industry. There is room for a Product Hunt/Crunchbase mix with data about what is happening within industries.
One of the greatest gifts that you can give is education. Why don't more businesses incentivize employees to learn? They could specifically plan out certain courses that they want employees to take and give bonuses when they do. This would be good for employees and employers.
Looking for other ideas? Check out Kernal.