Students can find scholarships through various websites and college support services without paying for help. Online resources include Scholarship Junkies, Unigo, Fastweb, and Fin Aid. To increase chances of earning scholarships, students should avoid common mistakes such as missing deadlines, not filling out applications correctly, submitting incomplete applications, and not meeting eligibility requirements. Additionally, students should familiarize themselves with the sponsor's mission and values, proofread their applications carefully, and use professional email addresses when applying for scholarships.