The "friends" that hate her fanfic either don't exist or are just random people on Twitter.
She's very much the type to regard random people on Twitter as her friends. Remember she developed a whole relationship with that dead troon online, one that
for some reason ended once a personal meeting occurred/became possible. She's also called Jake Alley family before - though she was even more wanky about it and used whatever Hawaiian word they use in Lilo and Stitch, because she's just that fucking basic.
But real, in-person friends? She drives people away, as has been shown time and again. Hasn't mentioned her bio family in a while, has she. No one can stand her who has to deal with her except the cucks and her immediate family, and even the latter is under some doubt.
Even though she's making up nearly all of her interactions involving other people, or at the absolute least claiming as close friends random internet people who she only keeps around because they foster her delusions, I wouldn't be surprised if the baby LARP was something she was doing IRL to try and manipulate her parents and in-laws. Again, she's very much the type to dangle a grandchild in front of them in the hopes of getting what she wants, and I wouldn't be surprised if she suddenly needs expensive things to 'help her conceive'.
“Cutting supplies?” Does she mean knives? Confirmation that she doesn’t cook.
She just wants to remind everyone that she has a history of self-harm. It's the sort of cutting that leaves long-lasting, very visible scars that she has to cover up and yet somehow don't make an appearance in any photo of her, even when the skin of those body parts are visible. The thing about cutting is that it's very easy to LARP, and very easy to retcon into times because cutting is known to be a secretive and shameful pursuit that people lie about. So Becky can have drawn a butter knife across her wrists once and claim to be suffering from serious trauma that makes her dangerous to herself, and can also claim that at any point in time she was also doing it, people were driving her to it, and of course she didn't overshare about it at the time.
For someone constantly making up stories about her life, she's a very bad and uncreative storyteller. Part and parcel of her being supremely basic and boring, I guess, since she really doesn't have much of an inner life.