Ensure that you have a reliable lender who gives you a sensible financial framework and consider a disinvestment during the period of the loan.
The keywords are:
- No tax-driven financial planning!
- Affordable external financing with sufficient own funds
- Splitting of fixed rate mortgages + variable mortgages, e.g. on Libor basis
- Avoidance of excessive risks by
- creating a leverage effect (leverage effect; higher equity yield rate on the property investment through maximum borrowed capital)
- 100% financing
- Foreign currency financing (e.g. yen mortgage)
- Borrowing for speculation in securities
- Borrowing for life insurance policy