NaturalShift2's journey

I recently accepted a job offer as a Marketing Specialist at a tech company after successfully negotiating an increase of over $8,000 from their initial offer. I was thrilled because this company is actually my top choice. However, I'm still waiting to hear back from another company where I interviewed and I believe there’s a good chance they might extend an offer as well. Now that I’ve accepted the first offer, I’m wondering about my options if the second company comes back with a significantly higher compensation. I’m torn because I genuinely prefer the company I accepted the offer from, but I also want to make the best decision for my career and finances. I have a few questions: Is it acceptable to reach out to the first company about the possibility of adjusting my compensation if I receive a better offer? Given that they already increased my offer, would it be seen as inappropriate to ask for more? And for those in recruiting or hiring positions, how would you feel if a candidate approached you with this situation before their start date? Should I just commit to my accepted offer unless the new one is substantially better? I haven’t started yet, and I’m not trying to play companies against each other, but I’d appreciate any insights from recruiters or anyone who has faced a similar dilemma.