If they are newer, then there "are" some advantages of having them (another GOOD layer of protection and all)But again, it really does come down to what kind of metal roof system your looking at. 

With shower curtains, it's much easier to throw out the old curtain and put up a new one (that is if you're providing the curtain).

There are properties across multiple-markets out there... which can provide a nice positive cash flow while only using a portion of your available funds.

And, house hacking is a completely unique strategy because it's also providing you shelter. 

Here are some considerations for each option:Option 1: Using the HELOC for a down payment and renovation on a second property to rent:Pros:You can leverage your existing property to acquire another investment property without selling your current home.Rental properties can provide a steady income stream and potential long-term appreciation.You can use the HELOC funds for renovation, which can increase the property value and rental income.Cons:You'll have to manage the property yourself or hire a property manager, which can be time-consuming and add to your expenses.There is a risk of vacancies or unexpected maintenance costs, which could impact your cash flow.You'll have to pay back the HELOC, which will increase your monthly expenses.Option 2: Building a new house in a new community and selling it for a profit:Pros:You can potentially make a significant profit if the market is favorable and the property value increases during the construction period.Building a new house allows you to customize the property and potentially attract more buyers or higher rents.Cons:This strategy involves a higher level of risk, as you're betting on the market to appreciate in a relatively short period.There are many unknowns and potential delays in the construction process, which could impact your timeline and profitability.You'll need to have a good understanding of the local real estate market and construction costs to ensure that your project is profitable.Before choosing either of these strategies, consider the following:Research the local market conditions in Chandler, Arizona, to understand the current demand for rental properties and new construction homes.Consult with a real estate agent or investment advisor who has experience in the local market to get their insights on the best strategy for your situation.Evaluate your financial situation, including your income, expenses, and risk tolerance, to determine if either strategy aligns with your goals and financial capacity.Consider the tax implications of each option, as this can impact your overall profitability.Create a detailed financial plan for each option, including projected income, expenses, and potential risks, to help you make an informed decision.Ultimately, the best strategy for you will depend on your unique situation and goals.

Protect your asset.As @Ali Radoncic mentions, foundation issues are common. 

Hi Daniel, here is the sample one provided by Brandon from BP:https://www.biggerpockets.com/files/user/brandonat...There are some other sample applications listed under Tools--FilePlace in the Forms section.

It protects PM  from both individual and business’ claims of bodily injury, medical costs, and damage to property.

Keep in mind most cities you cant touch these folks... maybe the pendulum is swinging back to logic and protecting the innocent landowners.

I don't ask for SSN and also personally have never provided/been pressured to provide them myself when I used to rent, and honestly don't want to open up liability for having to keep someone's SSN either.