Special repayments or investing in the market? Alternatives?

However, I would heed the advice of many experts and not invest money that needs to be available in the near future...

It does not have to be available. The alternative is simply missing an opportunity to buy a house when the market is bad. The money is not needed for living.

Money that is needed has no place in riskier investment forms. For that, one uses money that can be spared in an emergency.

Thank you here as well for the assessment. No, I don’t assume that, but the probability that my values (or rather) the total value of the portfolio becomes negative is very low (it’s not a risk-free investment after all). I am "well" diversified so that I can withstand fluctuations. You would actually park all your equity on the instant access savings account, knowing that it will sit there for years and lose value (inflation and negative interest)? Honestly, I can’t do that

Phew, hard to say. What amounts are we talking about? 100% equity or only 10% equity? I definitely wouldn’t leave everything on the instant access savings account, but I’d also be uneasy investing all the required equity. I would probably assume the worst case, numbers just as an example:

Cost of property 600k, equity 300k. 300k loan.

Now the question is, how much loan could you afford if things go south and the property should still be realized? Maximum the 300k or more? If 330k is possible, you can absorb about 30k in quick loss of value in your portfolio.

Now you make an assumption about how much your portfolio is allowed to drop at most. 20%? 30%? Assuming 30% is still okay for you, those 30% must not exceed the 30k you can cover if necessary. So in this example, from the 300k equity you would invest a maximum of 100k.

These numbers do not reflect my opinion, they only illustrate how I would approach it. However, on the other hand, I find it questionable to inflate your mortgage because you lost money gambling. ;)

It’s simply a difficult topic and I’m glad I don’t have to ask myself this question...

It doesn’t have to be available. The alternative is simply missing an opportunity to buy a house when the market is bad. The money is not needed for living.

If that’s the alternative, that after several years of searching you miss the chance, of course. But many are often not that consistent... ;)

It doesn't have to be available. The alternative is simply missing an opportunity to buy a house when the market is bad. The money is not needed for living.

I don't see it as missing an opportunity. Even if my performance at the time of sale is negative (minus 10/20%, for example), I would still buy the property despite that.

Phew, hard to say. What amounts are we talking about? 100% equity or only 10% equity? I definitely wouldn't leave everything in the instant access savings account, but I would also be hesitant to invest all the required equity. I would probably assume the worst case, numbers just as an example: Costs BVH 600k, equity 300k. 300k loan. Now the question is, how much loan could you afford if things go wrong and the BVH still has to be realized? Maximum the 300k or more? If 330k is possible, you can basically absorb 30k quick depreciation of your portfolio. Now you make an assumption about how much your portfolio can drop at most. 20%? 30%? Assuming 30% is still okay for you, the 30% must not exceed the 30k € that you can cover if necessary. So in this example, you would invest a maximum of 100k€ of the 300k equity. These numbers do not reflect my opinion, they are only meant to show how I would approach it. On the other hand, I find it questionable to inflate one’s mortgage because one has lost money gambling. ;) It’s simply a difficult topic and I’m glad I don’t have to ask myself that question... If that’s the alternative, that after several years of searching you miss the chance, of course. But many aren’t that consistent... ;)

Currently equity 60% portfolio (approx. 80k) / 40% instant access savings (i.e. immediately available) So relatively manageable

Is the portfolio initially considered as equity by a bank with which I want to finance

I think that needs to be clarified with the bank. If you don’t sell a portfolio but instead pledge or borrow against it, then usually only a partial value is credited (I believe ETFs often count around 50%??). I would assume that if you want to use it fully, it should be liquidated at that time. But these are just lay guesses and not advice.

We also have a small portion in ETFs that we mentally noted as "could possibly become equity." But the portion is smaller, and we are not actively searching for a house/property anywhere yet, since our time horizon is still longer (more like 5 years+ range, but it’s all still very vague) (I just already fell in love with the topic/forum). If things look bleak on the stock markets in a worst-case scenario, the current idea would be possibly not to touch the portfolio at all, but we’ll see how realistic that really is.