a having a heated jacket or jacket liner is not a waste... It turns winter riding (or any riding under about 50*) from a chore into a very simple, entertaining thing..
now, the cost of a store bought vest/jacket/liner vs the cost of a homemade heated one kinda makes you see a waste of money.. its very cheap and easy to make one... but if you dont take your time, or you try to make it "easy" by weaving the wire, looks scary... works great, but the science fair project look makes people uneasy...
all that said, heres winter riding in a nutshell:
1. headcovering. you NEED this. you want this. goto any sporting goods store, and get something that looks like this
its called a Balaclava or ski mask.
get a thin fleece or thermal one... I perfer the ones that have a swimsuit like fabric over the face...
zip your jacket only halfway. You pull it on, then put your helmet on.. tuck the neck part under your jacket, then zip the jacket the rest of the way up.
it becomes natural after a few times... not slow at all, and it makes a TON of diff..
2: gloves. get real winter motorcycle gloves... if they dont have an annoying inner liner, separate and unstitched from the outer windproof shell... they're not real winter motorcycle gloves. they kinda suck if you accident pull the liner out... so they kinda suck to take off until you get used to it... but they work amazing. any brand works.. whats more important is they fit your hands, have leather where it meets the grips (so they dont wear holes) and they are separate inner liner and outer shell stitched together only at the wrist.
3.. either make a jacket liner, or buy a jacket liner.
4. on the rear of the midfairing on a 08-11 CBR1k, is a shiny bolt. you can space out the fairing by slipping a spacer behind it under this bolt, and using a longer replacement bolt from a hardware store.. this kicks out the fairings and keeps your legs warmer. This concept works on some other bikes, but I only know how to do it on what ive owned....
5. worry about TIRES. your tires are cold. they're ALWAYS cold.. and they can slide SOOOO easy in the cold. be aware of the temp outside... you'll figure out soon enough at what temp your current tires are slick from cold, and what temp they're back to 'normal'.... for me, when the temp only old 2CTs got below about 55*.. they went to ice... ride like you're in the rain
6. if you're respecting #5... you'll get awesome MPG. lol.
Have fun. stay safe... and remember, if you're cold at all... you're doing something wrong. find the issue. fix it.... dont suffer and just suck it up.... enjoy the fact we dont have to deal with snow. lol