I am actually running into the same problem as the OP. Little background I live in Chicago, will be biking indoors using TR 3-4 days/week (never ride outside; efficiency and safety). My current set up is an older used road bike, dumb trainer, and no power meter. I qualified for duathlon worlds so want to put in some quality indoor sessions to get in peak shape for that. I only compete in sprints and olympic distance duathlons for now. 70.3 may be in the cards in 2020.
My options/thoughts (working with limited cash flow under ~$1k):
A) Smart Trainer (Wahoo Kickr Snap) - so I can get some quality indoor sessions since I will not be riding outside other then for the 4 races a year I do (used HR/RPE in the past)
B) Favero Assioma pedals (Uno/Duo) and dumb trainer - so I am able to have them for indoor sessions and also bring them with me to race abroad on a rented bike
Any thoughts/comments/opinions would be greatly appreciated. I have jumped back and forth for the past few weeks and training starts in 1.5 weeks so need to make a purchase soon.
Thanks fellow STers!
I would go with option 1. In using HR/RPE in the past I would continue to use that on race day and us the trainer to build your fitness and power. I bought power based pedals and love them. However, I did an IM this year and paced off HR/RPE not power. I haven't used the numbers from the power tap pedals enough to accurately pace myself.