Currently I live off my investments and can easily retire.

Implying that an individual can become expert and easily operate in multiple states4.

Here are some of the highlights: quickly set up bank accounts for each property and sub-accounts under those for things like security deposits and CapEx; virtual credit cards tied to each property; quick transfer of funds; ability to send money back and forth to tenants (some platforms are for collection only but won't let you send your refundable deposits back to your tenants); easily categorize every transaction into IRS Schedule E categories for reporting taxes; ability to split transactions; tenant management from vetting to drafting lease agreements to collecting rent.

It easily pays for our retirement. 

The personal page will also allow for the agent to post their listings for the leads to easily look through.

My question is, can anyone recommend another site that’s reasonable and allows you to manage more, but also easily advertise to multiple sites? 

If you add 1,400 square feet you can easily put 3 Br/2 BA on it for  $210,000.

When I moved to the area 6 years ago I was very quickly impressed with the real estate market; especially how I could get an A Class property for ~$130k and easily rent it out for 1%.

Easily some of the best money I've spent.

She is an attorney so is able to easily fight the property taxes herself through the system without having to hire anyone else to help her but only has marginal success.