The reversed Five of Swords is associated with a blockage or obstacle in finance, probably related to a wrong decision or a lack of information. The card also indicates that there is something blocking investment in bonds. It could be a bad financial situation, a lack of industry knowledge, a problem with the bank or something else. It is important to understand exactly what this block is before proceeding with the investment.
The Tower reversed is associated with the idea of looking for a solution to financial problems. This paper suggests that investing in bonds can be a way to solve the financial blockage or work around it. However, this card also indicates that the solution may not be easy to achieve. You need to do some research and consider all aspects before making a final investment decision.
The two cards indicated suggest that there is a block that prevents investment in bonds. To overcome it, it is important to understand what it is and then find a way around or overcome it. While it won't be easy, investing in bonds can be a way to solve your financial problems and improve your situation. Therefore, the most likely answer to your question is "Yes", bond investing can be seen as a useful way to solve financial problems.