Buy It Once. Great minds clearly think alike - Morgan has just posted about this too!
The reasoning behind it is this - if you do have to buy something new, then think very carefully about how you are going to spend your money. There are some items which it is worth spending a little extra on, because that way you will only ever buy them once and they should last you a lifetime.
Many products even come with a 'lifetime warranty' - although it is now always clear whose lifetime that refers to. And there are loads of websites now that offer these products, or review the ones they consider worth purchasing.
[here, here, here...] I have been looking at these lists, and checking out to see if any of these items have found their way into this household.
Yes - we do have Le Creuset Casseroles and frying pans dating back to 1979, still in regular use. They were wedding gifts - we could never afford to replace them now!
Pyrex- yes, those dishes are the best for freezer to fridge to oven [or microwave] to table to dishwasher. Some of my stuff is vintage - but there have been some smashing moments down the years.
I have a Mason Pearson hairbrush from the 1990s, I think both my daughters still have theirs too.
And my Tilley Hat, purchased in a downpour of Biblical proportions on a holiday in Oban in the last millennium, is still in constant use. In terms of cost-per-wear, it passed the 1p rate ages ago. I love my Sabatier kitchen knife and my Swiss Army Penknife. Bob's original Black&Decker Workmate  remains an excellent tool. My Kenwood Chef  has never had any problems.
Some things inevitably do wear out - and technology becomes obsolete very quickly [betamax video tapes, CRT Tvs] but I think buying to last is a good idea, if you can do it.
My general principle is to ask questions about each purchase -
- is it worth it?
- do I really need it?
- how and when will it be used?
- if it fails, can it be repaired?
- are spare parts available?
Are there items you feel have been worth purchasing because of their usefulness and longevity, and are there others where you have regretted spending 'all that money'?