Wormholes

Keep security in mind. Your biggest threat will come from a kind face more often than someone wanting to siege your tower.

Bring in a large spaceship assembly array, give each member a role, and give each role access to its own slot. Have people keep their ships in the assembly array when not being used, that way nobody can steal other peoples' ships.

The most important thing to have is your POS with shield hardeners and some guns or ECM. Be sure to load up your strontium bay. You want to make it annoying for people to attack you, and in a c3 LS a medium POS really has the PG/CPU for guns and basic living.
Assuming you and your friend are close, you can avoid a lot of security that typically comes with using the ship maintenance array to base out of. If you ever go about expanding your corp, read extensively on POS access control.
You will at the very minimum need a ship maintenance array (SMA) and a corporate hangar array/large ship maintenance array (LSMA). You launch and store ships into the ship maintenance array, but cant store modules and stuff there. You use the corp hangar or LSMA to store items and stuff, and to unpackage ships to drag them into the SMA.

C3/LS is a great place to be IMO. You have periodic easy access to highsec markets, and options to PvP, rat, explore or whatever in lowsec.
In terms of pitfalls, it is a good idea (imo) to anchor your pos at the furthest planet. You want a casual Dscan of someone entering a wh at the center of your system to not show your POS and the force field on Dscan. This requires them to make the extra effort to find your POS and know that someone is living in the system. Anchoring your pos on moon 14 out of 20 makes it doubly annoying for someone to find your POS without combat scanner probes.

Always Dscan when you log in, and then fly something with a covert cloak to inner system and dscan again. Before you decloak in the hole, note how many new signatures there are - each of those is a potential wormhole and therefore a potential entrance for hunters. Before you go out to do your 9x PI alts, keep an eye out in system. Never use an unfit epithal to take your PI out - stab it up and put some shield extenders/hardeners to make it harder to get ganked by some dude in a bomber (see my recent death).
While AFK mining is baaad in a wh, mining all sorts of ores is something you can do. Mining gas is doubly safe and potentially very profitable- you mine gas at sigs, so someone has to probe you down to warp to you, giving you plenty of advance warning if you arent AFK. It's just a pain to haul out because of the m3.

Always scan down your static ASAP. If you get podded in the hole, you want to know where to hightail it back to.

Always watch dscan always. There are, on average, 10 cloaked tengus in every wormhole.

Bring in a replacement ship or 2, especially gas huffers and salvage catalysts. If you kill sleepers, bring an MTU, bookmark the wrecks, and come back in a 10mil catalyst. Noctis's just scream 'kill me'.

Checkout the ingame wormhole channel if you have any other questions.