Welcome to the board!
Street riding primarily I assume? What are you planning on getting?
My main online gear shop is Revzilla out of Philly, NewEnough (now MotorcycleGear.com), Motorcycle Closeouts, MotoGear Outlet, etc. are all good shops too for the mass market stuff. Aerostich makes premium touring gear more suited for all-season use, but I love my AD1 pants so have to bring them up.
CN for the below: Get gear that fits comfortably. You can spend as much or as little as you want. Shop used and closeouts for deals. Get gear that fits comfortably. Your first set of stuff wont be your last if you get into it, so don't worry a lot about it. Just make sure you get gear that fits comfortably.
Helmet - Get a helmet that fits, meaning you're going to have to try a bunch on probably. You want it to be snug in the cheeks and have no pressure points anywhere around your head, but not so tight that it gives you a headache and not so loose that it will rotate around on your head. Might have to find a place that isn't a harley dealer... but some are better than others. I prefer a full-face helmet. Make sure its at least DOT certified, or SNELL M2010. All the big brands are good lids (HJC, KBC, Shark, Scorpion, Shoei, Arai, etc), so get what fits the best for the price you can afford. +1 on buying helmets new, not worth it to me to risk my head on a used helmet but there are deals out there for nearly new stuff if you look and are smart about it.
Jackets - Mesh textile will be cooler, but less protective. Full textile will likely be sweaty, but better in the rain you'll eventually get caught in unless you're planning to only ride on sunny days. Leather has the best protection, but is hot in summer. Perforated leather works nearly as well as mesh too, but usually is more expensive and is not very good in the rain. Typically you get what you pay for unless its on sale/closeout. The Harley FXRG stuff is really really good actually, and the logo's are subtle. Most of the rest of the bike-brand specific gear is mediocre for the price premium. Lower priced brands (Joe Rocket, Icon, Fieldsheer, Tourmaster, etc) are hit or miss with quality, typically their higher end jackets are very good and their cheapest are... ok. Mid priced like Rev'It and Olympia are nicer, but closer enough in price to the high end manufacturers a lot of times that if you're looking at them you might want to look at the smaller better shops (Aerostich, Motoport, some Klim and Alpinestars, some Rev'It).
Pants - Pants pants or overpants? Dedicated riding pants typically fit better on the bike, but look dorky as hell off. Some have better armor too. Overpants fit over street clothes, nice if you want to go somewhere and not walk around in moto pants all day. Same material options as above. I really really like the olympia AirGlide3 pants as a 4-season, do it all overpant. Mesh for hot days, uninsulated liner for rain, but I'm between sizes unfortunately. FirstGear HT Air's are similar but have more give in the waist to fit in between sizes. There are riding jeans too that typically have kevlar reinforcement in the seat and knees, sometimes armor (Draggin Jeans, Icon and Alpinestars makes them too among others). I like them for summer use as I can ride around and not have to deal with overpants or textile or leather when I get to where I'm going. Not as protective though.
Gloves - I prefer gauntlets. Some like wrist length. I have electric heated gloves for winter, perforated leather for summer, and meshy gloves for dirt riding.
Boots - Should go at least over the ankle. Clips, velcro, and zippers are better than laces as laces can and do get caught on pegs causing embarassment or potentially eaten by drivelines. If boots have laces, make sure there's a way to secure them or the laces are covered. Soles should be sturdy and stiff to prevent your foot from getting crushed in a crash, ankles should have some sort of armor protection even if its just a plastic plate or an extra layer of leather. Leather is the most common and generally the best imo. I had at one time 4 pairs of boots that I rotated between depending on the weather and the ride, so its a really personal choice here. Tourmaster Solutions WP are great all-weather all-season street boots, Thor 50/50's are nice short summer boots. My current favorites are Alpinestars Scout Drystar boots, more or less a lightweight motocross/ATV boot. Buy what fits and feels good, looks are secondary because most moto boots are ugly lol.
Just my thoughts... only been riding for 2.5 years, but 2 of those have been bike only...