Even if you manage to find an office with an existing tenant, their lease could be approaching expiration, and without plans to renew, it can take an incredibly long time to secure a new tenant for the space.

Strategize and plan. 

The data plans are reasonable ($50/month) and the service seems like it would be more reliable through storms and outages. 

At that point, you’re building a business plan—something you can take to the bank.

For down payment, plan to need 30-40%.

@Jacob AndersonI've only used my HELOC for investing when I have a quick exit plan.

He was stating that to use it as an backdrop to tell people he has a backup plan.

One other thing that people in their 60s can consider is - if you are planning on taking Social Security and making passive income part of what you live on, rental income may not count as income against your Social Security benefits.

Quote from @Dmytro Shcherbitskyi: Hi everyone, I’m planning to syndicate my first real estate deal and would love some guidance. 

For example the property being historical or a critical part of a large development plan.