I usually try to avoid DC since it’s pretty complicated and very block-by-block.

.- Which neighborhoods or areas should I start researching for safe long term rentals, and are there any areas you would avoid?

Absolutely have a smart thermostat in any mid-term rental.Accepting pets will make you more and will help you avoid vacancy, but it comes at a cost.

Instead, get legal guidance first to avoid missteps.

Avoid credit cards with an annual balance if possible Capital One seems to have a few that offer cards with lower scores or students.  

Second option will provide you with more options and you will avoid the premium that you have to pay to the turn key company. 

Is it better to avoid buying these split level homes for rental and investment purposes?

Is there a way to minimize or avoid multiple hard pulls while financing these deals? 

You get real‑time notifications, you can monitor guest activity, and you avoid the monthly subscription fees.I think an alarm system can still make sense in higher‑crime areas or if you keep valuables inside the home.

Everything lives in one digital folder per property.Each property has:• Tenant communication log• Lease + addendums• Notices• Inspection photos• Repair receipts• Timeline notesIf you ever sell, refi, or have to defend yourself legally, you just hand over the folder.A simple system beats a complicated one you won’t stick to.If you can centralize communication, timestamp every issue, and store everything in one place, you’ll avoid 95 percent of headaches.