There is not an extreme cost difference between the exams. I just paid $175 for LPIC-101 whereas the RHCSA is $400 so assuming that LPIC-102 is the same cost as LPIC-101 the cost difference is $50. Also, I have a better chance of landing a Linux job with an RHCSA certificate than a Linux+.
My main point of consideration is that the RHCSA is a better cert to start with then the Linux+/LPIC1. Like most IT professionals in the USA, I do not have Linux Administration experience and there is no way for me to gain that experience. The best way for me to learn Linux would be a hands-on, task-oriented cert instead of a memorization test.
If somewhere down the road, I know all of the Debian and RH commands from using them all day at work then I will retake the LPIC. Here's hoping that will be the case.