Yes, we have to be very careful on choosing HYIP programs to invest, my suggestion on joining a HYIP is to check first the days it is open for business,most HYIPs nature is to come and go. A little percentage of it is professional in business and some HYIP programs lasts only from 3 months to 2 years so make use also of HYIP monitors. Don't spend too much on HYIP to minimize your lost profits. Join a program while it's still hot and paying.

hope this helps.