Duplex have different zoning that may permit additional units.

Our local towns and rental assistance programs really appreciate those that try to work with their tenants which has helped me several times through easier permitting processes.

Maintenance can also be a factor—while newer homes may require minimal upkeep, older units might need more frequent repairs, particularly for things like plumbing or HVAC systems.Some things to pay close attention to:Zoning and Permits: Check local zoning laws and permit requirements to ensure you’re allowed to place a mobile home on your land and rent it out.

One metric we do use when we're able to pull the data are permits pulled & what type of permits pulled in an area.

There is a very strong effort to ban them completely from R1 zoned areas which has made it very difficult to apply for a permit unless you buy a house which currently has a permit in place.

Ensure the sublease is explicitly permitted in a written agreement with your friend and aligns with local STR laws.

They couldn't get a construction loan and were constantly blaming the cities being tough on their permit process.

Duplex Development Made Easy - SB 9 permits property owners to convert single-family lots into duplexes.

Another consideration is the permitting process and local zoning quirks, which can slow you down or force design changes mid-stream.

From simple rules like permits to outright bans so that is a huge risk IMHO.