Oh how annoying and yeah (as has been said,) she is probably just badgering you as she needs the help, rather than taking the piss. No good for you though eh?
I had something similar with a woman at a hobby group I was in in my area. She was 9 or 10 years older than me, (I was 50 she was 60,) and for some reason clung to me like a fucking leech. I was friendly and courteous with her, and she took that as me wanting to be her BFF. 
She would text me, saying 'how are you?' and if I didn't reply within 5 minutes, she was round my house banging the door 'to see if I was OK.' She would also message me/phone me quite often, to ask if my DH could come look at her and her DP's TV, car, or computer, as there was 'a problem with it.' 
She also asked waaaaay too many questions, about our finances, our health, my family, and just really intrusive stuff. She also kept asking me to take her to hospital appointments, even though she could drive, because she may not be able to drive afterwards, and 'wanted the company.' I took her a couple of times and both times took ALL day. Like 8 hours including travel time, and she bored me senseless.
She would also stare at me intently when we were in the pub with other people. I could feel her eyes burning into me. I would glance round and she would say 'are you ok? you seem quiet/you look pale/you look low/are you stressed? 
And she wanted to meet for a drink at the pub once or twice a week, and would not take no for an answer. I had to pretend I was ill or busy soooo many times. Also, I had a little meet up with 3 friends every month, for a pub lunch and a drink, and she started inviting herself.
My 3 friends didn't like her as they found her pushy and nosey and she asked too many intrusive questions. She wanted to know why my one friend (aged 53) didn't work, and told me she couldn't fathom how she could survive on just her husband's wage.
Not gonna lie, I ghosted her in the end. 2 years I tolerated her .. It was fortunate that she lived half a mile from me, and not next door. It was a good 6 months before she got the message, and stopped contacting me. She even asked other people (neighbours, my cousin, and women in the hobby group where I met her etc,) what was 'wrong' with me. I even had to leave my hobby group, as she drove me away.
I know I sound like a bitch, ghosting her, but what was I meant to do? Say 'fuck off now and never contact me again please. You're an irritating cunt and I'm done with you.' Lots of people say 'ghosting' is cowardly/heartless etc, but sometimes it's the only way to get people out of your life.
Not gonna lie @JurassicSal if I was in your position, I think I would move house.