It would be easier if your family is here first. They would check the salary and accomodation issues. And for parents there is no RP, only visit visa - for 6 months. After 60 yrs its a bit difficult to obtain visa. I found it very difficult to get my mother here last year because she had turned 64 and i happen to be her only son. I had to meet my sponsor and get thro with his influence, and it took a lot to convince the immigration officials.