I've had experience like this. Years ago, when I was living alone, I was new to the area and going through divorce etc. Two women who were close friends introduced themselves to me. Everything was ok to start with, I drive and had a car but neither of them drove. We used to go out together to garden centres etc. One of them was a smoker and would frequently ask to smoke in the car which I never allowed anyone to do so she used to want me to pull over into a layby so she could have a cigarette.
Me being too soft went along with it. The friendship developed and there was a vague suggestion about having a meal. The local pub was a good option and it was less than a mile away so I thought it not unreasonable for the three of us to walk there; I never drink and drive and hoped to have a glass of wine with dinner. Well, you would have thought I'd asked them to walk to the moon, what a palaver that was!
Next time, I suggested we take it in turns to cook. I started it off by cooking first and made a point of checking with them for dietary requirements, allergies etc. Message came back, no special requirements, we eat anything and everything.........I made a salad starter, a spaghetti bolognese and ice cream for dessert........you've guessed it.......".oh, we don't like that, can you drive us to the pub for something else?" ??
Then it was their turn to decide on the next date and menu. I worked full time and mentioned that I couldn't get to their place before 6.30 on the designated evening.
I committed the cardinal sin of arriving at 6.32 to a verbal onslaught along the lines of "you're late, we are hungry, what kept you?!" Their meal comprised of sandwiches, nuts and one bag of crisps between the three of us! Never again! I moved out shortly afterwards as I bought my own place.
I really did feel taken for granted and used though. Just when I needed a friend too!