Late (62 YO) Diagnosis Audhd

After a lifetime of alcohol and drug use, many failed relationships, long periods of anxiety and depression, many different jobs in varied fields and eventually a suicide attempt, I was identified as autistic by a loved one (international on-line relationship) I was assessed and given the diagnosis of Audhd only last year. I was put on SSRIs and I was able to cope but at a very flattened emotional level. I'm struggling in the period between diagnosis and medication/counselling...I am unemployed, and recieving benefits but falling deep into debt as money management is very difficult for me..Executive dysfunction is crippling me..I've been single for 25 years, no friends, no social life, no money, no career, no prospects. I love to paint so tried setting up a business selling my art last year (art has always been a staple for me) but due to low sales and therefore low income I lost my website, my interest in even trying dried up. A couple of added pressures are a mother with delusional dsorder and dementia, and my distant girlfriend who has 4 stage 4 cancers and other illness whom I support daily by telephone and my daughter who I deeply suspect is also neurosparkly like me..I want to understand myself better and create a framework to faciltate 'a better life' but I am overwhelmed at basically learning again, a lifetime of misunderstanding myself...where do I start ? everything I have tried I have failed at. This world does not accept me as I am and I don't know what to do about it...I don't know if I should continue trying to establish my own business ( I have 3000 pieces of work and growing) or submitting to the employment choices demanded of me by DSS...any advice is gratefully accepted, Thanks..