Decline in investor buying and say conditions and safety have improved. but not all are convinced the process is fair. this is about home owners associations attempting to dictate who can and cannot live in their community. reporter: the investor industry says hoas are overreaching their authority. these constructs created by homeowners associations infringe on the pursuit of housing by making housing more restricting, less accessible what do you say to that i disagree. when you purchase your home here, you have the opportunity to read and review the documents. you sign off on it do you think more hoas should be fighting back? absolutely. i want to let them know, if you build a relationship within your community, you can get this done as well reporter: an ongoing debate on what is fair when some take profit in a community and others take pride. katie beck, nbc news, charlotte. when we come back, dynamic duo. the remarkable story behind the success of this mother/daugh