It's a fantastic way to grow your portfolio while deferring taxes, but it requires careful planning and adherence to IRS rules. 

The sponsor will  always have a 2-6 year disposition plan. 

You have one of the keys to success for what you are planning to do, contracting experience.

I track everything in an excell spreadsheet that I modified from a template i found online (also free) stessa.com is free app for tracking expenses that links directly to your bank account.As I scale I plan to move into a software but as of now I am fine with what I have and as you can tell I like free.  

I'd really appreciate it if the community could review my plan and share any insights or potential pitfalls I might have overlooked.

I would strongly suggest working with a good CPA if you plan to build a business around fixing/flipping. 

My plan is 3.5~4% downpayment to keep the most cash in hand.I am ready to connect with lenders, but have no idea how to calculate the potential pre-qualified amount. 

Doesn't make much sense logically doesnt it.Do you plan to cold call for ever?

Adjust to market shifts and keep improving your plans in response to comments and outcomes.Become knowledgeable about the moral and legal ramifications of dealing in real estate, particularly with regard to subject-to deals and wholesale.

It is not overhypedwe have massive reduction in force these days because tech company is switching from their traditional business to AI oriented business. next plan for most company is doing reorg with most business decision is supplied by AI so lot of middle manager would be cut.it is just matter of time when real estate agent would be replaced by AI as well