If so, make sure agreement is in writing, signed by both parties, specifies new end date and ensures any existing security deposit will still be dealt with properly per landlord/tenant laws, and I'd also ask for a partial payment to be issued at signing to make obtaining his new place easier.  

I am not familiar with amending in Turbotax, but one thing to note is on the timeline for filing amends (you have some time still, but also good to be aware): Generally, to claim a refund, you must file an amended return within 3 years after the date you filed your original return or 2 years after the date you paid the tax, whichever is later. 

Welcome to the site @Alyssa Henderson!

Generally speaking, the date you take ownership, (judgment, issued a deed, foreclosure, etc... different from state to state) that is the date that matters.

They now network on social media sites or masterminds where they connect with more experienced investors.  

., off-street parking, on-site laundry, garage, etc).The ultimate plan is to BRRRR, and I'm able to secure verbal agreement from a couple of relatives and friends for financing.

Many of the moderators of the site have experience with seller finance. 

As if you purchase the property and update the kitchen from simply an out dated look that is not necessary but is recoverable.Essentially, if you get served a redemption notice you have to put together the line item costs that the redeeming party must pay to you in order for you to surrender title back.  

I'm learning about this field and I am not sure what sites to trust for gaining information on the estates and who are credible sources.

Which often the time is a total combined project time encapsulating more than the specific task alone, but things such as roll-out, roll-up, any ancillary tasks, maybe getting materials, site travel etc etc...