There are travel groups. I know single women who travel with those. I’d look them up in your area.
I think it’s a good idea to join some groups too. Meet up or other groups. Or take a class? Book club? Hobby group? Yea you can find those online and if you find local ones, join them. What do you like to do?
Perhaps working from home isn’t a good set up and most companies don’t do 100% from home but more like a combination. I’d look into possibly working somewhere where you could talk to people
I don’t believe people are jealous. That might be true in high school. Most adults don’t care who is attractive to the opposite sex as it’s nothing to with their own happiness. Looks are subjective and don’t guarantee happiness so no one is jealous of looks in their 40s, unless perhaps we are talking about extremely shallow people
Cooking dinner and inviting people over is ok but if you aren’t close friends, it might be too personal. Why not asking people to join an activity?