You may sign for all the programs you wish. They all will work together. Try it out, no permanent obligation. My recommend list I have been paid by all these companies, can be trusted. I've have had the most fun with this.
Payments are pretty nice to.
They send out a check right after you request one. In fact the last one I requested came in just 4 days. Get an idea of what is expected by visting my reviews. This get paid to read email program has been in existance a long time and sends out quite a few emails. Have been paid consistantly .