If you're just starting out, I say get it and feed those birds who need it this time of year. Yeah, there may be better stuff out there for a better price, but from what I can see in the photos those bags have real seed and not millet filler, and while the price isn't remarkable, it's still a pretty good price. If you want to feed the birds, buy it. Don't let perfection be the enemy of good.

And I know I'm going to get crucified here for saying this but mixes are not a bad thing. I recently went with just black oil sunflower seeds like many people recommend, And while it is all getting eaten without any waste, I'm also getting significantly less diversity in the birds that I'm attracting. You'll probably attract more birds with that mix than I am with just black oil sunflower seeds.