A major part of the success or failure of an STR investment is the design, furnishing and management plan.

Curb appeal for higher-end properties will be much more important, especially when it comes to marketing - most ads and main listing photos feature the front of the property.In this case, I would consult with a professional - i.e. landscape designer or stager.

Being a brand new unit you have rehabbed you might have to get her out rather than potentially ruin the whole unit by an act of her negligence.

They designated certain streets not for STRs and others for STRs.

Retirement accounts are designed to be invested passively so when the IRS sees you running an active business in it, to level the playing field between retirement accounts and other business the retirement account incurs UBIT. 

Their contribution depends on factors like local demand for ADUs, their design and size, and how they’re used (e.g., rental income potential).

(Previous rent was $1,300 but we're about to put in a brand new kitchen from the studs, new flooring throughout the house, new furance, adding A/C, etc).So do we just pay for it all upfront and mostly drain all of our savings, or do I let the rent pay for it and utilize our other savings to get a second property this spring/summer to increase our cashflow? 

Links/references- https://www.canva.com/design/DAFHd-6ryQ8/_T6h0Y9jV0zIEADl6bq... - https://therentalgirl.com/tichttps://andysirkin.com/tenancy-in-common-tic/operating-and-m... - https://www.stonesalluslaw.com/tenancy-in-common-in-californ... - https://www.investopedia.com/terms/t/tenancy_in_common.asp - https://www.rocketmortgage.com/learn/tenancy-in-common - https://www.allcalifornia.com/tenancy-in-common - https://andysirkin.com/tenancy-in-common-tic/guidance-for-se... - https://www.dre.ca.gov/files/pdf/tic_guidelines.pdfby the way I received a lawyer referral who is supposedly familiar with tic in California.  

Here in Florida there are some opportunities to purchase a brand new home, cash flow, and minimize your capital expenditures for quite a while.

Investing in features like high-end appliances and modern designs yielded a higher ROI.