A typical rehab is going to be 3-4 months, with a month to list/rent.

The loan amount will typically be determined by appraisal (LTV - loan to value ratio) - but your qualification will also be based on other metrics like you mentioned - DSCR ratio, FICO and some other factors. 

Generally, you shouldn’t pay off your mortgage early unless you can pay all of it off. it’s better to have it as reserve (in case of lost job etc) and given the typically low rate you can generally get a better return else where.

Here is a list of what adding ADUs, especially in single family zoned areas,  in my CA market is typically a poor RE investment:1) The value added by the ADU addition is often significantly less than the cost of adding the ADU.

For the typical wholesale the steps are really just fine a deal through marketing, have them sign a wholesale contract, have an established buyers list and send it to them, get a buyer to sign an assignment of contract agreement, and when you close you get paid out your fee from the title company.

The slowest months of the year are typically October - December.

I have heard a little about seller financing and it seemed interesting but just unsure how to find deals, start, or how the negotiation typically goes.

Also, Fixated moved my closing date a few times, but luckily I didn’t have another deal at risk.Does this sound typical?

(typically not).

I am typically managing 5-10 construction projects at a time.