How can I hide my comfortable wealth from low-income coworkers?

Okay so im not rich rich but I live in a comfortable living situation. I work full time in a low level job because I as wealthy as my husband and his family is i dont think its fair to expect them to bank roll me and I dont want to be in debt to people so having a little of my own money feels like a safety net for me and my husband and his family also agree. Plus it keeps me humble and stops me from losing touch with the real world.

I think people at work first started noticing i wasn't like them when it started snowing. Seeing my husband drop me off in a land drover defender made for a lot of questions i didn't feel comfortable answering.

It doesn't help a lot of my colleagues are from extremely poor backgrounds and grew up in ran down areas.

Then it came to colleagues asking my husband to do work for them and me trying to not offend them. My husband is basically a professional gardener but not like the type of guy who mows your nans lawn he's designing and building millionaires and celebrities gardens on massive country estates. Not to be that person but they genuinely couldn't afford my husbands work.

Then today at lunch I had my love shack fancy x stanley lunch bag out on the table and most my colleagues dont know big brands or anything so when they asked me about my lunch bag I just lied and said i bought it in America and that I didn't know the brand. My manger looked it up on Google because he thought his daughter would like it too. It retails for around £120 but its a very good lunch box and I don't often make big purchases like that.

My manger called me crazy for spending that much on a lunch box and I felt super embarrassed. I said i didn't pay that much and just tried to play it off.

I don't want people knowing I have money because I dont want people seeing me any different or taking advantage of me in anyway
How can I hide my comfortable wealth from low-income coworkers?
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