Congrats on the new apartment, and my condolences on the divorce. Sorry things didn't work out for you.
IIRC, it cost me close to $6-7.5K to furnish my apartment, what with furniture, decor, incidentals, moving expenses, you name it. The kitchen alone what with flatware, silverware, utensils, micro, other stuff cost a boatload.
I was taking care of my elderly Mom for a couple decades following my Dad's passing, and the relationship was tenuous at best. I really needed my own space. Since August 2016, I've lived by myself, and needed to rethink my previous habits of spending, in order to make ends meet. Although I work part-time now, my income is sufficient for my needs. I don't think there's ever been a time when I'd worry about not having enough money for rent or food.
Eventually, Mom sold the family home and moved into the same apartment complex where I live. My feelings were that Mom still needs someone to look after her occasionally, and someone from the immediate family she can depend on for computer, phone, or technical advice.
In order to live within my means, some items I've need to simplify and find more cost-effective ways of accomplishing my goals. The acoustic guitar or effects and amps I used to own made way for the Fractal units, and I've downsized a lot of gear over the years to include the 1-in-1-out rule.
Any gifts I might purchase for myself usually include sharing something with others, when my abilities allow. After I learned to cook for Mom and myself when my Dad passed, I typically would provide home-cooked meals or canned goods to friends, or occasionally ask friends in for a meal. Doing so staved off isolation and boosted my spirits. When Covid hit March of 2020, asking folks in stopped; so I've needed to visit with friends virtually via Zoom each week. I still enjoy prepping a meal for folks who are homebound, or elderly, or disadvantaged.
My immediate neighbor next door has mobility issues and uses a walker most times. Although he isn't the ideal kind of neighbor, he's still a decent guy and enjoys receiving food or desserts. He also enjoys hearing my guitar practice occasionally. I guess that's what helps maintain our friendship; me respecting his limitations and helping out when I can, and him, not ragging on me for my guitar clams, which are more plentiful than quahogs in New England on restaurant menus.