Hennepin County, No. 22-166, Slip Op. at 14 (May 25, 2023) ruled property owners can reclaim any surplus equity resulting from a tax sale.

•Stronger Owner Rights: Property owners have stronger rights to reclaim their property quickly after removing a squatter, avoiding long legal battles.Impact on Property OwnersThe new squatters bill is a significant advancement for property owners in Florida.

I dont have experience buying but have looked into it, from what I can tell, if you buy it at a tax auction, The owner has a certain amount of time to reclaim the property.

https://www.lisboa.pt/fileadmin/cidade_temas/habitacao/documentos/ProgramaRendaSegura_CondicoesGerais.pdfhttps://www.bloomberg.com/news/articles/2020-07-08/lisbon-s-plan-to-reclaim-vacation-rentals-for-housing

You can also do a cash out refi with a DSCR (I'm in the process of doing that now) and reclaim some of your capital (75% LTV is what I have). 

Has anyone had the prior owner come back during the quiet title process and try to reclaim the property?

From ruins wrought with wear and time,I craft anew with plan sublime.Rent and reclaim in endless spin,Repeating cycles once again.A method veiled in night's embrace,What strategy sets such a pace?"

They have helped over 100 people in the past 12 years restore their lives, and reclaim children from foster care, rebuild families, and return to the job market. 

They will have a reclaim period or something like that where they just have to pay you whatever you put in + interest.

We want to maintain a good relationship with the tenant while also reclaiming the space for our business goals.