I have a prospective applicant who is interested in filling out application.

As the IRA account owner, you can take distribution from the IRA, subject to applicable taxes and penalties. 

Be mindful of applicable law: https://codes.findlaw.com/ca/c...

Here is the specific language from Assembly Bill No. 68:a local agency, special district, or water corporation shall not require the applicant to install a new or separate utility connection directly between the accessory dwelling unit and the utility or impose a related connection fee or capacity charge, unless the accessory dwelling unit was constructed with a new single-family home.If the Planning Department is telling you that you need separate utilities and you're adding an ADU to a lot with an existing SFR, refer them to the above language from AB 68.

Assuming you "converted" the property to rental 4-5 years ago and you filed for rental applications/permits and have been filing 1040's for that property then you should be good from an age perspective. 

An experienced investor or vacation rental real estate professional familiar with local application processes and 'loop holes' can simplify the geographical areas of priority. 

I have a few questions about tenant screening.1) Do we screen all the applications simultaneously or screen one application after another based on first come, first served?

Only one couple has actually submitted an application.Although I need to verify some of their application details, it appears like they meet all my requirements.

Innago does everything that we need it to: communicate with tenants, listings, applications, leases, maintenance requests, invoicing, and rent collection...

Assets identified in this study include:Concrete paving and paversFencingEquipment padsConcrete sidewalksLandscapingThis engineering-based cost segregation study included the following methodology:Physical Inspection through a site visitDocumentation review including architectural plans, accounting records and construction documentsA cost analysis which utilizes engineering principles in order to allocate costs to their applicable asset classificationsCalculation of the depreciation schedule using MACRSAs a reminder, bonus depreciation started to phase out in 2023.