Invest in things that will inspire you to be more confident. If you love to play the guitar, you will have more confidence when playing your instrument if it is an expensive one rather than a cheap one that won't stay tuned. Make an investment in things that you love to do and you will enjoy doing those things even more.

Ashley Rosebloom, Confidence: How To Be More Confident, Build Self-Esteem And Gain Self-Confidence Fast