LE/FBI has victims advocates, whether that's something they provide at their discretion only or something you can request, I'm unsure of, but might be a place to start.
Texas Equusearch (they are founded in Texas but have other branches etc"
Crimestoppers
Here is a link that has some places. Not all would apply (some are for children etc) but some are for adults and might be able to help.
Missing Person Resources - Inspire a Difference
There is a helpful section right here on websleuths too
Missing Persons Resources
Does Erica belong to any clubs or organizations? A church member somewhere perhaps? Her workplace? Those might be places to explore in terms of boots on the ground or monetary assistance.
Any billboards in her area with her missing person info yet? Lamar Communications has billboards and they will often run Missing Person's info for free I hear.
Lamar Advertising | Billboard, Digital, Transit and Airport Advertising Media Provider
If she doesn't have a history of running off unexpectedly, and taking into account that her home surveillance footage was erased and the person from her past lawyered up immediately, combining those things would make my monetary focus less on scraping together money to pay her mortgage/save her house and more on using those funds to aid in locating her. Hiring a private investigator, putting money towards a reward, funds for family members to travel to where Erica lives to help search for her/spread awareness etc.
Edited to add: If a family member knows or has her mortgage info or can locate the paperwork at the house, it may be possible to speak to say, the bank manager at the branch that provided the loan to work out a deal where partial payments could be made or where payments could be missed for an agreed upon amount of time and tacked on to the end of her loan. (Example: May 2027 is the set date for the final payment, but extend it to August 2027 and have some financial breathing room for the family for 3 months now)
Contacting news outlets to do interviews, run her story, investigate further helps immensely in letting the public know about Erica and keeping her story out there. The more citizens who know, the more eyes you have on the lookout for her/the vehicle and the more possible people you have for organized searches.[/QUO
Excellent post/ideas! I concur that family members speaking to Erica's bank might well prove fruitful and they could extend some temporary mortgage relief.
Setting up social media fundraising pages is sometimes well worth it, too.