No budget, but nothing crazy expensive. Like he asked if i didn't go over $200 per storage cabinet for under our desks.

Please add a picture from the entrance door. Will you have clients come here or is it more of a work space?

The space under the windows behind your L-shaped desk would be a good spot for storage cabinet or credenza. Black or charcoal gray.

clients come in, but very rarely! i don't think there's enough space behind my chair for one under the window! I was thinking of maybe one for under my desk?

Here from the entrance. It's a panorama, if you turn your phone you'll see the whole pic!

For under $200 each, look at Sauder for small furniture board cabinets. Or try Wayfare. For chairs, go to Ikea or a local office supply store to sit in their office occasional chairs. For unique trash cans, look online for metal ones, and be prepared to pay a premium over plain old classic office plastic cans. You didn't mention a filing cabinet or shredder, so I assume you have those already.

Many cities have used office furniture stores. Take a look there if you like.

I like this file cabinet for under your desk. Do you have a place to store an abundance of paper client files?

Offex 3-Drawer Metal Rolling File Cabinet With Locking Drawers, White and Black · More Info

A streamlined chair with some sort of arm will be comfortable for guest.

Vivian Chair, Silver Nail Head Trim, Dark Espresso Legs, Azure Velvet · More Info

Vivian Chair With Silver Nail Head Trim and Dark Espresso Legs, Linen Fabric · More Info