Investing your money in the right desitions is key to the success of your company. Make sure to follow these steps to know if an idea is actually worth spending on:
Idea Generation: Brainstorm ideas with your team and collect as many ideas as possible.

Idea Prioritization: Make priorities based on a chosen framework in order to decide where to start.

Test: See the results of these ideas
Analyze to Build a Knowledge Base: Base on the conclusion of your testing analyze the outcome and what has been learned for future references, make sure this new knowledge reaches all of your team.

Don’t become attached: If it doesn’t work it simply doesn’t, move on into new ideas.
Make sure to follow this guide to perform this hack.