Hanging cfls?

Looking for a cheap but effective way to hang cfl lights, i seen the temporary light sockets, but they need to be attached to a power source. Anyone got any info? Thx

https://www.amazon.com/KINGSO-Pendant-Hanging-2-Prong-Adapter/dp/B016XKT2C2/ref=sr_1_34_sspa?ie=UTF8&qid=1527187013&sr=8-34-spons&keywords=hanging+light+socket&psc=1

I've used these in the past...