Cost list, roughly, and every number varies by market so treat these as ranges to check locally.
Property management usually runs 8 to 10 percent of collected rent, plus a leasing fee when they place a tenant that's commonly half a month to a full month's rent, and sometimes a renewal fee. Many people self manage the first one or two, especially while they still live nearby, and hire out once the driving gets long.
Software is cheap. Stessa has a free tier for tracking income and expenses per property. TurboTenant and RentRedi sit in roughly the $10 to $30 a month range depending on plan, and handle listings, applications and rent collection. Tenant screening reports are usually $35 to $55 and are often paid by the applicant.
Insurance changes when you stop living there. You move from a homeowner's policy to a landlord policy, often called a DP-3, which covers the building and your liability and drops coverage for your personal belongings. It commonly costs somewhat more than the owner-occupied policy. Tell your insurer before the tenant moves in.
On registration: plenty of cities and some states require rental registration, a rental license, or a pre-tenancy inspection, and the rules and fees differ by city and state. Look up your specific municipality's ordinance rather than assuming. Owning and renting your own property generally doesn't require a real estate license, though managing property for other people does in most states.
The cost that doesn't appear on any of those lists is your own moving expense every twelve months, plus the utility and lawn care on a house nobody's living in yet.