So in my opinion a credit score isn't the greatest indicator on a renter.  

A tenant complaining online might indicate that the property manager handled them appropriately, so be sure to ask the manager for their side of the story.7.

Would it be wise to send them an email strongly indicating that its not okay to make late rent payments continuously and that the co-signer needs to step in during these kind of circumstances?

The indicators that I will highlighting are total vacancies and total inquires.An ExplanationForgive me if this is elementary to some of you but it is necessary to explain for a better understanding.There is a direct correlation between the number of vacancies one has and the amount of inquiries, showings, applications, and ultimately signed leases that one receives.

Never invest in any city with static or declining population.Crime rates: Never invest in any city on this list: Mapped: The Most Dangerous Cities in the U.S.Operating costs: The best indicators of operating costs are state income taxes, homeowner’s insurance, and property taxes.

A tenant complaining online might indicate that the property manager handled them appropriately, so be sure to ask the manager for their side of the story.7.

The fact that a tenant is complaining online might be an indication the property manager dealt with them properly so be sure to ask the manager for their side of the story.7.

Those facts are also good indicators that now may not be the best time to buy a rent ready residential property. 

There may be records that indicate what is happening with the property or a case with their new address. 

Here are three that I like:CallboxOverview: Callbox specializes in B2B lead generation and appointment setting services.Strengths: Offers robust KPI tracking, multi-channel marketing, and high-quality lead generation.Technology: Uses proprietary CRM and lead management tools to track and optimize KPIs.SalesRoadsOverview: A B2B appointment setting and lead generation company that focuses on quality.Strengths: Known for high-quality leads, detailed reporting, and KPI tracking.Technology: Provides detailed metrics and performance analytics to clients.CIENCE TechnologiesOverview: Specializes in lead generation, appointment setting, and data enrichment.Strengths: Strong emphasis on data-driven approaches and KPI measurement.Technology: Uses advanced analytics to track lead quality and performance.Here is some information to consider when you make your decision:Reputation and Reviews: Look for companies with positive client testimonials and case studies demonstrating success in your industry.KPI Tracking: Ensure the company has robust systems in place for tracking key performance indicators (KPIs) such as call volume, conversion rates, appointment setting rates, and lead quality.Lead Quality: Evaluate how the company sources and qualifies leads.