alisha has seen many make bad decision. she teaches them how credit affects their future. >> talking recently about credit and getting good credit so we can maybe get some loans to buy a car, buy a house and not to ruin our credit because it's a long time before we can renew credit. >> a charge happens automatically every single month. >> reporter: alisha has taught this class as a volunteer. >> it's important to warn students about the debt pit false she experienced. >> i've made almost -- and i tell the girls this, i've made almost all the mistakes i tell them not to make that i teach out of this book. i ruined my credit. i isn't too much money. i didn't pay my bills on time. i did that because i didn't know any better. >> reporter: thanks to guidance and teps, they are on the path to right money management. >> the freddy mac's smart credit course is part of mercy high school. we can plrn from that one. >>> we have 30 people in anne arundel county. they're homeless. and we're continuing to follow thrills water main break.