Another one I wish I had taken earlier was to get involved with a boutique or specialized commercial broker. 

any ideas if there are any builders who would sell it to investors like me who wish to add new construction SFH's to their portfolios ?

The only thing that bests fear is courage and we only need a mustard seed of that to get things going...People often spend money on college and never go in to the field they spent that money on...the greatest lessons and the ones most remembered are learned 'on the job'.Wishing you more good news in the future and an exceptional 2025. 

I wish you all the best!

I am still a relatively new investor and wish somebody told me this when I first started. 

:) Wishing you the best, Emeka! 

Wish you the best.If I was you, first step is evaluating costs associated with doing MTR and comparing with potential rental income to see if it makes sense to do LTR or MTR.

I wish you well in your project. 

I assume your wish to use a HELOC is to avoid paying interest when you are not actively rehabbing a BRRRR.

Also, call any and all "We Buy Houses" bandit signs you see as these are the active wholesalers in your market and will gladly share their lists with you as a buyer.I wish you the best of luck!