In Santa Cruz County, especially in the mountainous and rural areas, many properties lack the necessary expansion fields (space) due to factors like size, slope, groundwater, and zoning restrictions.

I just checked the forms the city had me sign for my plans, it just says "certain restrictions" apply if I had had a tenant in the last 3 years.

Also including the tenant friendly restrictions limiting any ability to evict still in nj

There are some FNMA 90 Days deed restrictions. 

Previously SF had fantastic growth to make sense in spite of restrictions, now its not growing as much either. 

However, keep in mind, if you were to househack a condo, that you may be restricted by the HOA to execute certain things like renovations and there may be rental restrictions as well.

Quote from @Jonathan Garcia: Well technically what I use is irrelevant considering I'm switching.I have 174 doors 63 of which are self managed.I don't have growth plans as I'm in the stage of just natural progression due to years of investing.As far as the software I want to collect rent, Fees, Maintenance request, Reports, and a system that can handle as many doors as possible with no restrictions.  

If there are parking restrictions of any kind, it needs to be added for verification anyways.

This process allows landlords who own multifamily properties with two to four units to evict a tenant if they plan to move into the unit themselves or if their immediate family members plan to move in.However, to use the owner-move-in eviction process in Los Angeles, you must follow specific legal requirements, including providing written notice to the tenant at least 60 days before the eviction date, and offering relocation assistance to eligible tenants.Moreover, there are restrictions on the grounds for evicting tenants in Los Angeles.

there are some restrictions in the state of IL