So I moved overseas some 10 years ago, and in that time my DM met her now DP and they decided to move in together. DM has asked me a couple of times about if I will be buying a place of my own, but I have explained to her that after footing the bill for mine and DH wedding last year and the country I reside in requiring a 20-25% deposit, that would not be happening any time soon. She then went on to tell me that since she has no mortgage any more, she will be selling her place to move into the new house that her DP purchased for them, and he will also be selling his. They jointly own the property but he paid for the majority of the mortgage on the new house which is also paid off directly. My DM then explained to me that her plan was to give me some off my nest egg early, basically the deposit I would need over here. It was a very generous and kind offer of her, and it would have a huge impact on where we will be in the future. Issue now is that my landlord has approached us about selling the property in the future, and asked if we would be interested in buying. We love our place, its the perfect first house for a small family, and the landlord is even happy to wait a couple of years if we wanted to rent to buy. This would be an amazing opportunity for us. The kicker is... that when I have mentioned this opportunity to my mum, she has congratulated us, expressed what an amazing opportunity it would be and has told us to go for it. I mentioned that we wouldnt have the 25% sadly and she said 'well I can help out a little when I get my stuff sorted' (as in finish moving in to new place ect). The problem is, with out it we simply don't have the deposit, not even half. This offer from her is the difference between a discussion happening and there being zero point even addressing the landlord with interest. I don't want to make her feel pressure about it, but I also am frightened to start agreeing to things I couldn't afford with out this 'early nest egg'. How do I broach it? Or do I just accept that although a lovely idea, some people can say things in the moment which were never going to happen?