But meeting people and leaning on them for their direct expertise in the market your interested in can be very helpful after you have read a book or listened to a podcast on broad topics. 

If for example a home is selling for $225,000 it will have an estimate of $1,462/month.With 25% down the calculator shows: $1,023 per month Principal and interest $806Property taxes$125Homeowners insurance$92How can I get a better idea of the total including everything? 

Yes, they are. separate meters and property tax bills.  

We both work remotely and are curious about how long we can stay at the rental before it becomes an issue, wether thats state tax implications or perhaps when our jobs should be notified that were working in WA vs OR?

Let’s say we pay X amount in mortgage.My question is : how do I calculate mortgage/interest/property tax for other house which we have rented so that I can deduct that from rental income?

It would be same as saying you also owe future taxes and insurance.

By partnering with other investors, you can leverage their knowledge, resources, and experiences to help you achieve your financial goals more efficiently.Here are a few potential benefits of partnering with others:Increased Capital: Partnering allows you to pool financial resources, giving you a stronger position to pursue larger investments and potentially increase your positive cash flow.Shared Expertise: Collaborating with experienced investors who have achieved similar goals can provide valuable guidance and insights.

Work with an experienced tax planner/strategist specializing in real estate and not merely a general tax preparer.

This means expect tax increases, expect HOI increases, expect tenant issues, PM issues, capex issues, everything in between.

What would be the best way to do this for tax purposes, liability, and breaks?