Talk to your broker about it to ensure what you propose to your landlord isn’t against their policies and following all the right disclosure requirements to your landlord and tenants.

Ensure you have enough reserves for unexpected expenses, and understand the property's projected cash flow to avoid overleveraging. 

Secure pre-approval for the second mortgage or HELOC before committing to the builder to ensure a smooth transaction.

To ensure your STR performs well, do your kitchen and bathrooms need to be fully renovated and updated?

How are you handling offers and contingencies to ensure smooth transactions?

I've worked in technology sales/mgmt for 28 years and have done well, but probably need to work 5 more years to ensure a comfortable retirement and legacy for the kids.

Save and wait unless you can find a killer seller financed deal.And by relative willing to lend  you $2000 - you will want to ensure it is a gift (a true one).There is a difference between lend and gift and it can have a meaningful impact on if those funds are valid for financing sake.

They have the process nailed down and are very efficient.

Tenant Screening: Ensure you find reliable tenants.becoming an Investment-Friendly Real Estate AgentAs you gain experience, and consider becoming a real estate agent focused on investments.

I've also been revisiting my negotiation training to ensure I'm prepared for the shift away from MLS-disclosed commissions.I’d love to hear how everyone else is preparing!