I would have prioritised a leaking conservatory over a garden personally then got the garden done bit by bit.Packing up and leaving? Stacey my love, do you know how many people would love to own their own house and probably never will. Practice being a bit more grateful for what you've got. If things are broken, stop wasting money and get them fixed. Prioritise.
Most people I know get things done as and when it can be afforded and in order of priority. She seems to have no clue about really grown up life.
Or she could get a job now that Avery is going to pre school and actually start to clear her debts.