I’ve been using https://motordesk.com/ for a while, and it took a lot of hassle out of juggling stock, leads, and invoices. The built‑in CRM and the way it hooks into marketplaces and payments saved me loads of back‑and‑forth. The 30‑day trial helped me see if it actually fit my workflow before committing, so it might be worth a spin if you’re trying to tighten things up.