The FTC is sounding the alarm about a growing scam this graduation and summer party season involving fake online invitations that could end up costing Americans money. -- Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. https://abcnews.com Download the ABC News app for the latest headlines and alerts: https://abcnews.com/devices Connect with ABC News on